MCAT
Everything you need to prepare for the MCAT — from diagnostic tools and content review to question banks, high-yield resources, and Anki decks.
MCAT Overview
What Is the MCAT?
The Medical College Admission Test (MCAT) is a standardized, multiple-choice exam required for admission to most medical schools in the United States and Canada. It is developed and administered by the Association of American Medical Colleges (AAMC).
Exam Structure
The MCAT is approximately 7 hours and 30 minutes long (including breaks) and is divided into four scored sections:
| Section | Abbreviation | Questions | Time | Score Range |
|---|---|---|---|---|
| Chemical & Physical Foundations of Biological Systems | Chem/Phys (CP) | 59 | 95 min | 118–132 |
| Critical Analysis & Reasoning Skills | CARS | 53 | 90 min | 118–132 |
| Biological & Biochemical Foundations of Living Systems | Bio/Biochem (BB) | 59 | 95 min | 118–132 |
| Psychological, Social, & Biological Foundations of Behavior | Psych/Soc (PS) | 59 | 95 min | 118–132 |
| Total | 230 | 6 hr 15 min | 472–528 |
Scoring
Each section is scored on a scale of 118–132, with a midpoint of 125. The total score ranges from 472 to 528, with a median of 500. Scores are released approximately 30–35 days after the test date.
There is no penalty for wrong answers — your score is based solely on the number of correct responses. Always answer every question.
Score Competitiveness
| Total Score | Percentile (Approx.) | Competitiveness |
|---|---|---|
| 524–528 | 100th | Top-tier (T10 competitive) |
| 519–523 | 97–99th | Highly competitive |
| 514–518 | 90–96th | Very competitive |
| 510–513 | 80–89th | Competitive for most MD schools |
| 505–509 | 70–79th | Competitive for many DO & some MD |
| 500–504 | 50–69th | Average; competitive for DO |
| Below 500 | Below 50th | Below average; limited options |
The average MCAT score for matriculants at MD schools is approximately 511.9 and for DO schools approximately 504.0 (based on recent AAMC and AACOMAS data).
Registration & Logistics
2026 MCAT Testing Calendar — Download PDF
The 2026 testing year runs January through September. There are no test dates in October–December 2026. Standard start time is 8:00 a.m.
View Full 2026 Test Dates & Score Release Dates →
- Cost: $340 (includes score distribution to one medical school)
- Testing Window: January through September, with dates offered on most days throughout the year
- Registration Opens: Typically in October for the following year's testing dates
- Score Release: 30–35 days after test day
- Retake Policy: Up to 3 attempts per year, 4 in a two-year period, and 7 lifetime attempts
- Fee Assistance Program (FAP): Covers registration, free practice exams, AMCAS fee waivers, and more for eligible students. Apply through AAMC's FAP page.
Common Myths
Misinformation about the MCAT is everywhere. Here are some of the most common myths debunked.
"You need to take every prerequisite course before starting MCAT prep."
Reality: While completing your core sciences (Gen Chem, Orgo, Bio, Biochem, Physics, Psych, Sociology) is ideal, many students begin content review while still finishing coursework. You don't need every class done — you need a study plan that fills gaps.
"You should study for at least 6 months."
Reality: Most successful students study for 3–4 months of dedicated, full-time prep (or 5–6 months part-time). Quality over quantity matters. A focused 3-month plan often outperforms a scattered 6-month one.
"Content review is the most important part of MCAT prep."
Reality: Practice questions and full-length exams are the single best predictor of MCAT performance. Content review builds your foundation, but applying knowledge under timed, test-like conditions is what raises your score.
"A 510+ is required to get into medical school."
Reality: While higher scores increase your options, many students have been accepted to both MD and DO programs with scores in the 504–510 range. Your MCAT is one part of a holistic application — GPA, experiences, and essays all matter.
Diagnostic
Full-Length Diagnostic Exams
In addition to the question bank above, take a full-length diagnostic exam to identify your baseline score and content weaknesses.
Free Diagnostic Options
- AAMC Official Practice Exam (Free with FAP): If you qualify for the Fee Assistance Program, you get free access to all AAMC practice materials. Even if you don't, AAMC offers a free half-length diagnostic.
- Blueprint (formerly Next Step) Half-Length Diagnostic: Free half-length exam that gives you a score estimate and section breakdown. Access here
- Kaplan Free Practice Test: Free full-length practice test with score report. Access here
- Princeton Review Free Practice Exam: Free full-length with performance analysis. Access here
- Jack Westin Free Daily CARS Passages: Not a full diagnostic, but an excellent way to gauge CARS readiness. Access here
How to Use Your Diagnostic Score
Your diagnostic score is a starting point, not a final verdict. Here’s how to interpret it:
- Section scores below 125: Major content gaps — prioritize these sections in your study plan
- Section scores 125–127: Moderate gaps — you have a foundation but need focused review and practice
- Section scores 128+: Strong foundation — shift time to practice questions and maintaining knowledge
Most students see a 10–15 point improvement from diagnostic to actual test day with dedicated studying. A diagnostic of 495 can realistically become a 510+ with a well-executed plan.
Building a Study Plan from Your Diagnostic
After reviewing your diagnostic results:
- Rank your sections from weakest to strongest. Allocate 40% of your study time to your weakest section, 30% to your second-weakest, and 30% split between the remaining two.
- Identify specific topics where you missed the most questions. Don’t just note “Bio/Biochem was weak” — drill down to “amino acid properties” or “enzyme kinetics.”
- Set a target score based on the schools you’re applying to. Use the competitiveness table in the Overview section as a guide.
- Plan your full-lengths — aim for 6–10 full-length practice exams before test day, spaced throughout your prep (one per week in the final 6–8 weeks).
Content Review
Below is a high-yield topic breakdown for each MCAT section. Focus on understanding concepts rather than memorizing facts — the MCAT tests application, not recall.
Chem/Phys (CP) — Chemical & Physical Foundations
This section emphasizes general chemistry, organic chemistry, physics, and biochemistry in the context of biological systems.
- Atomic structure, periodic trends, electron configuration
- Bonding: ionic, covalent, metallic, intermolecular forces
- Stoichiometry, limiting reagents, percent yield
- Solutions: molarity, dilutions, solubility rules
- Acids & bases: pH, pKa, buffers, Henderson-Hasselbalch
- Thermodynamics: enthalpy, entropy, Gibbs free energy, Hess's law
- Chemical kinetics: rate laws, activation energy, catalysis
- Electrochemistry: galvanic vs. electrolytic cells, Nernst equation
- Equilibrium: Le Chatelier's principle, Ksp, Keq
- Functional groups and nomenclature
- Stereochemistry: chirality, R/S configuration, enantiomers vs. diastereomers
- Reaction mechanisms: SN1/SN2, E1/E2, nucleophilic addition
- Carbonyl chemistry: aldehydes, ketones, carboxylic acids, esters, amides
- Spectroscopy basics: IR, NMR, mass spectrometry
- Lab techniques: distillation, extraction, chromatography, recrystallization
- Kinematics, Newton's laws, friction, inclined planes
- Work, energy, power, conservation of energy
- Fluids: Pascal's law, Bernoulli's equation, buoyancy
- Electrostatics: Coulomb's law, electric fields, potential
- Circuits: Ohm's law, series vs. parallel, capacitors
- Waves & optics: sound, light, lenses, mirrors, Snell's law
- Magnetism: magnetic fields, force on moving charges
CARS — Critical Analysis & Reasoning Skills
CARS has no specific content to study — it tests your ability to read, analyze, and reason about complex passages from the humanities and social sciences.
- Daily practice: Do at least 1–2 CARS passages every day from the start of your prep
- Timed practice: Aim for ~10 minutes per passage (passage reading + questions)
- Highlight selectively: Mark the main idea and key transitions, not every detail
- Eliminate wrong answers: CARS answer choices often contain trap options — practice identifying why three choices are wrong
- Read broadly: Exposure to philosophy, ethics, art criticism, and social commentary improves your reading speed for unfamiliar topics
Bio/Biochem (BB) — Biological & Biochemical Foundations
This is the most content-heavy section. It spans biology, biochemistry, and organic chemistry in biological contexts.
- Cell biology: organelles, membrane transport, cell cycle, apoptosis
- Molecular biology: DNA replication, transcription, translation, gene regulation
- Genetics: Mendelian genetics, linkage, Hardy-Weinberg, epigenetics
- Microbiology: bacteria, viruses, fungi, immune evasion
- Physiology: cardiovascular, respiratory, renal, endocrine, nervous, digestive, musculoskeletal, reproductive systems
- Evolution & ecology: natural selection, speciation, population dynamics
- Embryology basics: germ layers, organogenesis
- Metabolism: glycolysis, TCA cycle, oxidative phosphorylation, gluconeogenesis, glycogenesis
- Fatty acid metabolism: beta-oxidation, fatty acid synthesis, ketone bodies
- Amino acid metabolism: transamination, urea cycle
- Nucleotide metabolism: purine and pyrimidine synthesis
- Metabolic regulation: insulin, glucagon, allosteric regulation, feedback inhibition
- Molecular techniques: PCR, gel electrophoresis, blotting, CRISPR, cloning
Psych/Soc (PS) — Psychological, Social, & Biological Foundations
This section covers psychology, sociology, and biology as they relate to health, behavior, and social structures. Many students underestimate this section — don't skip it.
- Sensation & perception: vision, hearing, signal detection theory
- Learning & memory: classical/operant conditioning, memory types, encoding/retrieval
- Cognition: problem-solving, decision-making, heuristics, biases
- Motivation & emotion: drive reduction, Maslow's hierarchy, James-Lange vs. Cannon-Bard vs. Schachter-Singer
- Developmental psychology: Piaget, Erikson, Kohlberg, Vygotsky
- Personality: trait theory, psychoanalytic theory, humanistic theory
- Psychological disorders: anxiety, mood, psychotic, personality disorders; DSM-5 classification
- Stress & coping: general adaptation syndrome, types of stressors
- Social structures: institutions, culture, socialization, norms, deviance
- Inequality: class, race, gender, healthcare disparities
- Demographics: fertility, mortality, migration, urbanization
- Social interaction: symbolic interactionism, dramaturgy (Goffman), social constructionism
- Group dynamics: conformity (Asch), obedience (Milgram), groupthink, bystander effect
- Health & medicine: social determinants of health, sick role, medicalization
Question Banks & Practice Exams
Practice is the single most important factor in MCAT success. Use this guide to choose the right question banks and full-length exams for your prep stage.
AAMC Official Materials (Must-Use)
Four full-length practice exams with the most predictive scoring. Take these in the final 4–6 weeks of prep. Most students report their FL average is within 1–3 points of their real score.
300 challenging passage-based questions across CP, BB, and PS. Considered harder than the actual MCAT — excellent for building critical reasoning skills.
Question packs for each science section plus two CARS packs. Good for targeted practice after content review.
120 CARS questions with detailed performance diagnostics. Helps identify specific CARS weaknesses.
120 official CARS passages and questions. Do these before test day — nothing else replicates AAMC CARS logic.
120 additional official CARS passages. Pair with Vol. 1 for maximum CARS practice.
Third-Party Question Banks
~1,900 questions with excellent explanations. Known for clear, detailed rationales that teach as you practice. Many consider it the best third-party question bank.
Free daily CARS passages with community discussion and explanations. The best free CARS resource available.
Large question bank with customizable quizzes by topic and difficulty. Also offers 10+ full-length practice exams.
Free passage-based practice questions created in partnership with AAMC. Excellent for early-stage practice alongside content review.
Third-Party Full-Length Exams
Third-party full-lengths are typically deflated — they tend to score you 3–8 points lower than AAMC exams. Use them for endurance training and timing practice, not as exact score predictors.
| Provider | Number of FLs | Cost | Notes |
|---|---|---|---|
| Blueprint (Next Step) | 10+ | $199+ (or 1 free) | Most representative third-party FLs; widely recommended |
| Kaplan | 15 | Free (3) or $2,499+ course | Content-heavy, tests details; scores tend to be heavily deflated |
| Princeton Review | 15 | Free (1) or $1,699+ course | Passage-heavy; good for building reading stamina |
| Altius | 10 | $200–$300 | Very challenging; best for students aiming 515+ |
Resources
A searchable library of 60+ free and freemium MCAT resources — every link verified, with section coverage, cost, and recommended use. Filter by section, type, or cost to find what you need.
Anki for the MCAT
Anki is a free, open-source flashcard app that uses spaced repetition to help you retain information long-term. It is one of the most powerful tools for MCAT prep when used correctly.
What is Anki?
Anki is a flashcard app built on spaced repetition — the most evidence-based memorization method available. The algorithm shows you cards right before you're about to forget them, so you spend your time on what you actually need to review instead of re-reading material you already know.
Why it matters for the MCAT: the exam tests recall under pressure across thousands of concepts. Anki trains exactly that — fast, accurate retrieval from memory.
- Desktop: Free on Mac, Windows, and Linux (download here)
- Android: Free on Google Play
- iPhone/iPad: $34.99 one-time purchase on the App Store
How to Use Anki
- Download: Get the desktop app at apps.ankiweb.net, then download on your phone (iPhone App Store or Google Play)
- Daily volume: Aim for 200–400 new cards per day during dedicated prep. Clear your entire review queue every single day without fail.
- Never skip reviews: A missed day compounds fast — the algorithm only works if you show up daily. Even on rest days, do your reviews.
- iPhone app is worth it: The $34.99 one-time purchase pays for itself immediately. Being able to review on the go — in line, on the bus, between classes — is a game-changer for consistency.
Syncing with AnkiWeb
AnkiWeb is Anki's free cloud storage and sync service. It keeps your decks, progress, and review history backed up and synced across all your devices. Here's how to set it up:
- Step 1: Create a free account at ankiweb.net/account/login
- Step 2: Open Anki on your desktop and go to Preferences → Syncing
- Step 3: Log in with your AnkiWeb account credentials
- Step 4: From the Anki home screen, click Sync — this uploads all your decks and progress to AnkiWeb's servers
- Step 5: On any other device (phone, iPad, another computer), download Anki, go to Preferences → Syncing, log in to the same AnkiWeb account, and click Sync to download all your decks instantly
Recommended Decks
Pick one comprehensive deck and supplement as needed. You don't need all of them.
The gold standard MCAT Anki deck. Most comprehensive option, covering all four sections with regularly updated content maintained by the AnKing community.
Well-organized, high-yield deck with ~2,800 cards covering all four sections. Great for students who want a manageable, focused deck without being overwhelmed. Completely free.
Comprehensive deck based on Kaplan books, Khan Academy, and other sources. ~6,000+ cards. Strong for Psych/Soc and Bio. Completely free.
Download Jack Sparrow Deck →