How Hard is a 505 MCAT: A Deep Dive into Achieving a Competitive Score

So, you’re wondering, “How hard is a 505 MCAT?” Let’s cut right to the chase: achieving a 505 on the Medical College Admission Test (MCAT) is a significant accomplishment that demonstrates a strong grasp of foundational science concepts and critical reasoning skills. It’s not an easy feat, by any stretch of the imagination, but it is certainly achievable with dedicated preparation and a strategic approach. Think of it as climbing a challenging mountain; the view from the summit (a competitive score) is well worth the effort, but you can’t just show up without training.

My own journey through MCAT preparation was a marathon, not a sprint. I remember staring at my diagnostic test results, feeling a mix of dread and determination. A 505 felt like a distant dream at that point, a number that seemed almost mythical. But with consistent effort, understanding the nuances of the exam, and learning from my mistakes, that dream gradually became a tangible goal. Many aspiring medical students find themselves in a similar position, grappling with the sheer volume of information and the pressure of a high-stakes exam. This article aims to demystify the difficulty of obtaining a 505 MCAT score, offering a comprehensive guide to understanding what it takes, how to get there, and what it truly signifies.

Understanding the MCAT Landscape: What Does a 505 Mean?

Before we delve into the specifics of how hard it is, let’s contextualize what a 505 MCAT score actually represents. The MCAT is scored on a scale from 472 to 528, with a mean score typically around 500. Each of the four sections—Chemical and Physical Foundations of Biological Systems (CPBS), Critical Analysis and Reasoning Skills (CARS), Biological and Biochemical Foundations of Living Systems (BBFS), and Psychological, Social, and Biological Foundations of Behavior (PSBS)—is scored from 118 to 132. Your total score is the sum of these four section scores, ranging from 472 to 528.

A 505 total score, therefore, falls slightly above the average. This translates to a percentile rank that is generally considered competitive, especially for many DO (Doctor of Osteopathic Medicine) programs and a good portion of MD (Doctor of Medicine) programs, particularly those that are not highly selective. It suggests that you have performed better than roughly 60-70% of test-takers, depending on the specific year’s distribution. This is a solid score that opens doors to a wide array of medical schools. It’s a score that says, “I have a strong foundational understanding and can apply it under pressure.”

However, the “hardness” of achieving a 505 isn’t just about the number itself, but about the journey to get there. It requires mastering a vast amount of scientific knowledge, developing sophisticated critical thinking abilities, and cultivating effective test-taking strategies. It’s not just about memorization; it’s about understanding, applying, and synthesizing information across different domains.

The Pillars of MCAT Preparation: Content Mastery and Skill Development

To truly understand how hard a 505 MCAT is, we need to break down the core components of preparation. It boils down to two primary pillars: content mastery and skill development. Neglecting either one will significantly impede your progress toward a 505.

Content Mastery: The Foundation of Your Score

The MCAT covers a broad range of subjects that you likely encountered during your undergraduate studies, but with a specific focus on their relevance to medicine. These include:

Chemical and Physical Foundations of Biological Systems (CPBS): This section tests your understanding of general chemistry, organic chemistry, physics, and biochemistry principles as they relate to biological processes. Expect questions on stoichiometry, thermodynamics, acid-base chemistry, spectroscopy, atomic structure, and mechanics, as well as fluid dynamics.
Biological and Biochemical Foundations of Living Systems (BBFS): This section delves into molecular biology, genetics, cell biology, metabolism, and the physiology of various organ systems. You’ll need to know about DNA replication, protein synthesis, cellular respiration, enzyme kinetics, and anatomical structures and functions.
Psychological, Social, and Biological Foundations of Behavior (PSBS): This section introduces psychology and sociology concepts relevant to health and disease. Topics include sensation and perception, motivation, emotion, learning, memory, personality, psychological disorders, social behavior, attitudes, and the impact of social structures on health.

For a 505, you can’t afford to have significant gaps in any of these areas. It doesn’t mean you need to be a Nobel laureate in every subject, but you must have a firm grasp of the core principles and be able to apply them to novel scenarios. The MCAT doesn’t simply ask for definitions; it asks you to analyze data, interpret experimental results, and predict outcomes based on your knowledge. This requires more than just rote memorization; it necessitates genuine understanding.

Skill Development: The Art of the MCAT

While content knowledge is crucial, the MCAT is equally, if not more, a test of your reasoning skills. This is where the Critical Analysis and Reasoning Skills (CARS) section truly shines as a unique challenge, but these skills are also essential across all other sections.

Critical Analysis and Reasoning Skills (CARS): This section is notoriously challenging because it doesn’t rely on prior scientific knowledge. Instead, it assesses your ability to read, comprehend, and analyze passages from diverse sources (humanities, social sciences, natural sciences) and answer questions about their main ideas, arguments, implications, and authorial intent. Developing strong CARS skills involves consistent practice with different passage types and question formats. It requires patience, close reading, and the ability to discern subtle nuances in language.
Problem-Solving and Application: Across all science sections, you’ll be presented with complex problems that require you to integrate knowledge from multiple disciplines. This means you need to be able to break down a problem, identify relevant information, apply the correct principles, and arrive at a logical conclusion.
Data Interpretation: Many questions will involve analyzing graphs, tables, and experimental data. You need to be comfortable interpreting these visual representations, identifying trends, and drawing valid conclusions.
Time Management: The MCAT is a timed exam. You have a limited amount of time for each section and each question. Developing effective time management strategies, such as knowing when to move on from a difficult question, is paramount.

Achieving a 505 means you are proficient in both content and these critical reasoning skills. You can recall information when needed, but more importantly, you can apply it to solve problems and interpret complex information under timed conditions.

The Personalized Journey to a 505: What Does Preparation Look Like?

So, how does one actually *do* the work to get to a 505? This is where the “hardness” becomes very personal. The preparation timeline and methodology will vary significantly from person to person, depending on their academic background, study habits, and the amount of time they can dedicate.

Self-Assessment: Knowing Your Starting Point

The first crucial step, and arguably one of the most challenging, is an honest self-assessment. Where are you starting from? This is where diagnostic tests come into play. Taking a full-length practice exam under timed conditions before you even begin your dedicated study period is invaluable. This diagnostic will reveal your strengths and weaknesses across all sections.

My Experience with Diagnostics: I remember my first diagnostic test; it was a wake-up call. I scored in the low 490s. It was disheartening, but it was also incredibly informative. It showed me exactly which subjects I needed to revisit (Biochemistry was a nightmare for me initially!) and which sections I naturally gravitated towards. Without that initial assessment, I would have wasted precious time studying topics I already knew well or neglecting areas where I needed the most support.

Key Takeaway from Diagnostics: Don’t be discouraged by a low initial score. Use it as a roadmap. Identify specific content areas that are weak, question types you struggle with, and timing issues. This data is gold and will inform the rest of your study plan.

Developing a Study Plan: The Blueprint for Success

Once you have your diagnostic results, it’s time to build a study plan. This is where the real work begins, and its effectiveness directly impacts how “hard” the process feels. A well-structured plan makes the journey more manageable and less overwhelming.

Factors to Consider for Your Plan:

Timeline: How much time do you have before your test date? Are you studying full-time for 3-4 months, or are you balancing preparation with coursework or work for 6-12 months?
Resources: What study materials will you use? Popular options include review books (Kaplan, Princeton Review, ExamKrackers), online question banks (AAMC, UWorld, Khan Academy), and full-length practice exams.
Learning Style: Are you a visual learner who benefits from diagrams and videos, an auditory learner who thrives on lectures, or a kinesthetic learner who needs to actively engage with the material through practice problems?
Weaknesses Identified: Your plan must allocate more time and resources to your weaker areas.

A Sample Study Plan Framework (for a dedicated 3-4 month period):

Phase 1: Content Review (6-8 weeks)
- Dedicate specific days or weeks to each subject area (e.g., 2 weeks for Biology, 2 weeks for Chemistry/Physics, 1 week for Psychology/Sociology, and ongoing CARS practice).
- Use review books and Khan Academy videos to refresh your understanding.
- Take detailed notes and create flashcards for key concepts and formulas.
- Supplement content review with practice questions from your chosen question bank (e.g., UWorld) that are specific to the topics you are covering. This helps solidify understanding and apply knowledge immediately.
Phase 2: Integrated Practice and Review (4-6 weeks)
- Begin taking full-length practice exams regularly (e.g., once every 1-2 weeks).
- Thoroughly review every question you got wrong, and even those you got right but were unsure about. Understand *why* you got it wrong. Was it a content gap? A misunderstanding of the question? A careless error?
- Use your question bank extensively, focusing on mixed sets of questions that simulate the exam experience.
- Continue to identify and target remaining weak areas.
Phase 3: Final Review and AAMC Materials (2-3 weeks before exam)
- Focus exclusively on AAMC (Association of American Medical Colleges) materials. These are the most representative of the actual MCAT.
- Take the AAMC full-length practice exams. These are crucial for gauging your readiness and getting a feel for the official exam.
- Review the AAMC content outline and practice questions from their section banks and question packs.
- Do a final review of your notes, flashcards, and any persistent areas of difficulty.
- Prioritize rest and mental well-being in the final week.

This framework is adaptable. Some students might need more time on content, others more time on practice questions. The key is consistency and adaptation based on your progress.

Effective Study Strategies: Making Every Hour Count

The sheer volume of material can make the process feel incredibly hard if your study strategies aren’t efficient. Here are some effective techniques:

Active Recall: Instead of passively re-reading notes, actively try to recall information from memory. Flashcards (physical or digital like Anki) are excellent for this. Test yourself frequently.
Spaced Repetition: Review material at increasing intervals. This helps move information from short-term to long-term memory.
Interleaving: Mix up the subjects you study within a single session or day. Instead of spending a whole day on just biology, switch between biology, chemistry, and physics. This can feel harder initially but leads to better long-term retention and problem-solving skills.
Concept Mapping: Visually connect different concepts to see the relationships between them. This is particularly helpful for understanding complex biological pathways or chemical reactions.
Practice, Practice, Practice: The MCAT is a skill. The more you practice, the better you’ll become at identifying patterns, understanding question logic, and managing your time.
Detailed Review of Practice Questions: This cannot be stressed enough. For every practice question:
- Did you get it right? If so, were you 100% sure why? If not, identify the reason for your uncertainty and review the concept.
- Did you get it wrong? This is where the learning happens. Understand the correct answer, but more importantly, understand *why* you chose the incorrect answer. Was it a content gap, a misinterpretation of the passage, a calculation error, or a fundamental misunderstanding?
- Mark questions you struggled with for future review.

My Personal Strategy for CARS: For the CARS section, I found that doing timed passages daily was crucial. I would read the passage carefully, identify the main argument and supporting points, and then tackle the questions. I learned to avoid bringing in outside knowledge and to stick strictly to what the passage conveyed. I also paid attention to the tone and word choice of the author, as these often provided clues to the correct answer. I used AAMC CARS passages extensively, as they were the most representative.

Leveraging Resources Wisely

The market is flooded with MCAT prep materials. Choosing the right ones and using them effectively is key to making the process feel less like an insurmountable mountain.

AAMC Materials: These are the gold standard. The official MCAT sample test, official practice exams, section banks, and question packs are indispensable. They are designed by the same people who create the actual exam, so they offer the most accurate representation of question style, difficulty, and content distribution.
UWorld: Often lauded as the best third-party question bank, UWorld provides high-quality practice questions with excellent explanations that go above and beyond simple right/wrong answers. Their detailed explanations are crucial for understanding concepts and question logic.
Kaplan/Princeton Review/ExamKrackers: These companies offer comprehensive review books that are great for initial content review. They are usually structured by subject and provide a solid overview of the material.
Khan Academy: A fantastic free resource, Khan Academy offers video lessons and practice questions that align with the MCAT content. It’s particularly helpful for reviewing foundational concepts or for students on a tighter budget.

My Perspective on Resources: I used Kaplan for my initial content review, UWorld for my primary question bank practice, and of course, all the AAMC materials. I found that the combination worked well for me. Kaplan provided a structured overview, UWorld challenged my understanding with difficult questions and fantastic explanations, and the AAMC materials were my final diagnostic and reality check.

The “Hardness” of a 505: Subjective and Objective Factors

Let’s get back to the core question: how hard is it *really*? The answer is multifaceted.

Objective Difficulty: What the Numbers Tell Us

As mentioned, a 505 is above the mean score. This means that, statistically, it requires more than just a basic understanding of the material. It signifies a level of preparation that places you in the upper percentile of test-takers. The exam itself is designed to be challenging. It tests not just recall but also application, analysis, and synthesis. The sheer breadth of content and the depth of reasoning required means that casual studying simply won’t cut it.

The MCAT is notoriously a test of endurance and mental stamina. A full-length exam can take over 7.5 hours, including breaks. Maintaining focus and performing at your best for that duration is a significant challenge in itself. The pressure to perform well can also elevate the perceived difficulty. Knowing that this score can heavily influence your medical school admissions adds another layer of stress.

Subjective Difficulty: The Personal Experience

The “hardness” of achieving a 505 is profoundly subjective and depends heavily on individual factors:

Academic Background: Students who have excelled in science courses, particularly those that closely align with MCAT content (e.g., a strong biochemistry background, extensive physics coursework), might find the content review less demanding. Conversely, those who struggled in these areas will face a steeper learning curve.
Prior Test-Taking Experience: If you’ve taken other standardized tests and found success, you might adapt more easily to the MCAT’s format and pacing. However, the MCAT is unique in its blend of science and reasoning.
Study Habits and Discipline: This is arguably the most significant factor. A highly disciplined student who can stick to a rigorous study schedule, actively engage with material, and consistently practice will find the process more manageable than someone who struggles with procrastination or passive learning.
Mental and Emotional Resilience: The MCAT preparation process can be stressful and emotionally taxing. Dealing with setbacks, plateaus in your score, and the pressure of admissions can significantly impact your perceived difficulty. Students with strong coping mechanisms and a supportive network tend to fare better.
Time Commitment: The more time you can dedicate, the less rushed and overwhelming the preparation will feel. Full-time study allows for deeper dives into content and more extensive practice. Balancing preparation with other commitments naturally increases the perceived difficulty.

My Personal Take on “Hard”: For me, the hardest part wasn’t necessarily learning a new concept; it was the sheer volume and the need to integrate knowledge from different courses. It felt like I was constantly having to connect dots between biology, chemistry, and physics in ways I hadn’t before. The CARS section was also a significant mental hurdle because it required a different kind of focus and analytical skill that I had to consciously develop. The endurance aspect of the full-length exams was also a challenge I had to train for, not just mentally but physically.

Can You Achieve a 505? Factors That Indicate Readiness

So, how can you assess your own potential to reach a 505? It’s not just about wanting it; it’s about demonstrating certain capabilities and adopting the right mindset.

Indicators of Potential Success

Consistent Improvement on Practice Exams: If you are diligently following a study plan and see a steady, upward trend in your scores on practice tests, you are on the right track. Sporadic scores are less indicative than consistent progress.
Solid Understanding of Foundational Sciences: Even before you start dedicated MCAT prep, if you’ve performed well in your prerequisite science courses and feel comfortable with the core concepts, this is a strong positive indicator.
Effective Study Habits: You are disciplined, organized, and able to dedicate significant, focused time to studying.
Analytical and Critical Thinking Skills: You enjoy solving problems, can dissect complex arguments, and are comfortable working with data and abstract concepts.
Resilience and Adaptability: You can bounce back from difficult study sessions or lower-than-expected scores, and you’re willing to adjust your study approach based on what’s working and what isn’t.
Familiarity with High-Stakes Testing: While the MCAT is unique, prior experience with standardized tests that require sustained focus and strategic decision-making can be beneficial.

Common Pitfalls to Avoid

Conversely, certain pitfalls can make the journey to a 505 much harder, if not insurmountable:

Underestimating the MCAT: Viewing it as just another science exam or relying solely on undergraduate knowledge without dedicated MCAT-specific preparation.
Passive Studying: Reading through notes or watching videos without actively engaging, testing recall, or applying concepts.
Neglecting CARS: Treating CARS as an afterthought or assuming natural reading ability is sufficient. This section requires dedicated practice.
Inconsistent Practice: Cramming before exams or practicing sporadically rather than engaging in consistent, spaced practice.
Ignoring Weaknesses: Focusing only on what you’re good at and avoiding areas where you struggle.
Burnout: Over-scheduling study time without adequate rest, breaks, and self-care, leading to decreased productivity and motivation.
Not Using AAMC Materials Effectively: Saving AAMC materials for the very end or not thoroughly reviewing them.

What Does a 505 MCAT Score Mean for Your Application?

Achieving a 505 MCAT score is a significant step, but it’s crucial to understand its place within the broader context of medical school admissions.

Medical School Admissions: A Holistic View

It’s important to remember that medical school admissions committees take a holistic approach. While the MCAT is a critical component, it’s not the only one. They also consider:

GPA: Your undergraduate grade point average, especially in science courses.
Extracurricular Activities: Clinical experience (shadowing, volunteering), research, leadership roles, and community service.
Personal Statement: Your narrative explaining your motivations for medicine and your experiences.
Letters of Recommendation: Evaluations from professors and mentors.
Interviews: Your performance in the interview process.

A 505 MCAT score, combined with a strong GPA and meaningful extracurriculars, can make you a very competitive applicant for a wide range of medical schools. It’s often sufficient for many DO programs and a significant number of MD programs. For the most highly selective MD programs, a 505 might be on the lower end of their average admitted scores, meaning you would need exceptionally strong other components of your application to compensate.

My Advice on the Score: Don’t get fixated on a single number. A 505 is a great target, but if you fall slightly short or exceed it, remember that your overall application tells your story. Focus on becoming the best applicant you can be across all fronts.

Targeting Medical Schools with a 505 Score

Knowing your target MCAT score helps you identify schools where you have a realistic chance of admission. A 505 score generally aligns well with:

Most DO Programs: The average MCAT score for matriculants to DO schools is typically in the low-to-mid 500s. A 505 is generally a solid score for these programs.
Many State and Public MD Programs: Numerous state medical schools and public universities have average admitted MCAT scores that fall within the 505-510 range. A 505 can make you a competitive applicant here.
Some Private MD Programs: While highly selective private institutions often have higher average scores, there are many private MD schools where a 505 could be a strong score, especially when paired with an excellent GPA and experience.

It’s always advisable to research the average MCAT scores and GPA ranges of admitted students for each program you are interested in. Websites like MSAR (Medical School Admission Requirements) are invaluable resources for this information.

Frequently Asked Questions about the 505 MCAT Score

How much time does it typically take to prepare for the MCAT to achieve a 505?

The time it takes to prepare for the MCAT to achieve a 505 is highly variable and depends significantly on your starting point, academic background, and study habits. For most students aiming for a score in this range, dedicated preparation typically spans anywhere from 3 to 6 months of consistent, focused study. Some students with a very strong science foundation and excellent test-taking skills might achieve it with less time, perhaps 2-3 months of intensive preparation. Conversely, those with significant content gaps or who are balancing preparation with demanding academic or work schedules might need 9-12 months of part-time study. A common approach for full-time students is a 3-4 month period of dedicated study, incorporating content review, extensive practice questions, and full-length exams. The key is not just the duration but the quality and consistency of your study efforts. Simply putting in hours without an effective strategy won’t guarantee results. It’s more about efficient learning, active recall, and strategic practice than just logging time.

Is a 505 MCAT score good enough for top-tier MD programs?

Whether a 505 MCAT score is “good enough” for top-tier MD programs is a nuanced question. Generally speaking, the most competitive MD programs, those with average admitted MCAT scores often in the 518-520+ range, will find a 505 to be on the lower end of their applicant pool. While it’s not impossible to be accepted into such a program with a 505, it would require an absolutely stellar performance in all other aspects of your application. This would include a near-perfect GPA (4.0), extensive and impactful research experience, significant leadership roles, compelling clinical exposure, and outstanding letters of recommendation. Essentially, every other component of your application would need to be exceptional to compensate for an MCAT score that falls below their typical matriculant profile. For the vast majority of students aiming for top-tier MD programs, a score significantly higher than 505 is generally recommended to be a competitive applicant. However, for many excellent, but less hyper-competitive, MD programs, a 505 can be a very strong score that makes you a competitive applicant, especially when combined with a solid GPA and compelling extracurriculars.

How important is the CARS section for a 505 MCAT score?

The CARS section is critically important for achieving a 505 MCAT score, just as it is for any competitive MCAT score. Each section is weighted equally in the overall score calculation, so performing poorly in CARS can significantly drag down your total score. For example, if you score very high (e.g., 130+) in the science sections but score a 120 in CARS, your total score would be 500 (130+130+120+130 for the other sections, assuming averages) or lower, which might not be your target. To achieve a 505, you are likely aiming for an average score of around 126-127 across all four sections (505 / 4 ≈ 126.25). This means you need to perform competently in CARS, typically scoring in the 125-128 range or higher. The CARS section requires a unique set of skills: critical reading, analytical reasoning, and understanding nuanced arguments. It cannot be learned solely through memorization of scientific facts. It demands consistent practice with diverse passages and question types. Many students find CARS to be the most challenging section because it doesn’t build on prior scientific knowledge, and its difficulty lies in interpreting complex texts under timed pressure. Therefore, dedicating substantial and strategic time to CARS preparation is essential for reaching a 505 MCAT score. Neglecting CARS preparation is a common mistake that can prevent students from achieving their target score.

What are the most effective study resources for targeting a 505 MCAT score?

To effectively target a 505 MCAT score, a multi-faceted approach to study resources is highly recommended. The most crucial resources are those created by the AAMC (Association of American Medical Colleges), as they produce the actual MCAT. This includes the official MCAT sample test, the official full-length practice exams, the Section Banks (which are notoriously challenging and excellent for pushing your limits), and the Question Packs. These AAMC materials provide the most accurate representation of the exam’s content, style, and difficulty. Beyond AAMC, UWorld is widely considered the gold standard for third-party question banks. Its questions are high-quality, and its explanations are exceptionally detailed, offering deep insights into both content and reasoning. Many students use UWorld extensively to supplement their content review and build their problem-solving skills. For content review, comprehensive book sets from reputable companies like Kaplan, The Princeton Review, or ExamKrackers are valuable for building a foundational understanding of the MCAT’s vast scientific content. Khan Academy offers a free and excellent resource for reinforcing concepts, especially for students on a budget or those who prefer video-based learning. It’s important to select a few high-quality resources and use them thoroughly rather than trying to spread yourself too thin across too many materials. The key is to use these resources strategically: books for initial learning, question banks for application and skill-building, and AAMC materials for the most accurate practice and final assessment.

How can I maximize my chances of improving my score if I’m currently scoring below a 505?

If you’re currently scoring below a 505, the most effective way to maximize your chances of improvement is to systematically identify your weaknesses and address them with a targeted strategy. First, conduct a thorough review of your practice exams and diagnostic tests. Don’t just look at the raw score; scrutinize each question you answered incorrectly or were unsure about. Categorize your errors: Were they due to content gaps (not knowing the material), misinterpretation of the question or passage, careless mistakes (calculation errors, overlooking details), or time management issues? Once you’ve identified your specific problem areas, create a study plan that heavily emphasizes these weaknesses. If you have significant content gaps, revisit your review books or use Khan Academy for those specific topics, focusing on understanding the underlying principles rather than just memorizing facts. If you struggle with question interpretation or passage analysis (especially in CARS), spend more time working through practice passages, actively annotating them, and practicing different question types. For science sections, ensure you’re not just recalling information but also practicing applying it to novel scenarios, as the MCAT often presents. Utilize question banks like UWorld to get exposure to a wide variety of question styles and difficulty levels, and always, always review the explanations thoroughly. Also, consider the “hardness” of your practice exams. If you’re only using less representative exams, switch to AAMC materials as soon as possible. Finally, ensure your test-taking strategies, particularly time management, are optimized. Practice pacing yourself on full-length exams and learn when to skip a difficult question and come back to it later. Consistent, deliberate practice, coupled with honest self-assessment and strategic resource utilization, is your best path to improvement.

Conclusion: The Journey to a 505 is a Marathon, Not a Sprint

So, to reiterate, how hard is a 505 MCAT? It is undeniably challenging, demanding a rigorous commitment to mastering complex scientific content and honing sophisticated reasoning skills. It requires more than just innate talent; it necessitates discipline, strategic planning, consistent effort, and resilience. It’s a score that places you comfortably above the average and opens many doors in the competitive landscape of medical school admissions.

The “hardness” is not an insurmountable barrier but rather a measure of the dedication required. For those who approach it with a well-defined plan, effective study strategies, and a realistic understanding of the commitment involved, a 505 MCAT score is an achievable and rewarding goal. It signifies that you possess the foundational knowledge and analytical capabilities necessary to embark on your journey to becoming a physician. Remember, every student’s path is unique, but with the right approach, that summit is within reach.

How Hard is a 505 MCAT: A Deep Dive into Achieving a Competitive Score