AP Computer Science A Exam Format 2026 - Sections, Timing & Scoring Guide
AP Computer Science A Exam Format (2026)
Complete guide to sections, timing, scoring, and what to expect on exam day
Quick Jump:
What Does AP CSA Stand For?
AP CSA stands for Advanced Placement Computer Science A - a college-level course and exam in Java programming offered by the College Board. The "A" distinguishes it from AP Computer Science Principles (AP CSP), which is a broader introductory course.
Key Differences: AP CSA focuses on object-oriented programming in Java, while AP CSP covers computational thinking concepts across multiple languages.
Exam Format Overview
| Section | Questions | Time | Weight | Calculator |
|---|---|---|---|---|
| Section I: Multiple Choice | 40 questions | 90 minutes | 50% of score | Not permitted |
| Section II: Free Response | 4 questions | 90 minutes | 50% of score | Not permitted |
| Total | 44 questions | 3 hours | 100% | N/A |
Important: Both sections are completed on the same day with a short break between sections. You cannot use a calculator for any part of the AP CSA exam.
Section I: Multiple Choice Details
Format & Content
- 40 questions testing your understanding of Java programming concepts
- 90 minutes - approximately 2.25 minutes per question
-
All 4 units covered: Each unit is tested proportionally to its exam weight
- Unit 1 (Using Objects & Methods): ~10 questions (~25%)
- Unit 2 (Selection & Iteration): ~12 questions (~30%)
- Unit 3 (Class Creation): ~10 questions (~25%)
- Unit 4 (Data Collections): ~8 questions (~20%)
Question Types You'll See
- Code Tracing: Predict output of given code segments
- Code Analysis: Identify errors or determine functionality
- Algorithm Comparison: Evaluate different approaches to solve a problem
- Conceptual Understanding: Answer questions about Java syntax, data structures, and OOP principles
- Logic Problems: Determine correct conditional statements or loop structures
💡 Multiple Choice Strategy Tips
- Read the Question First: Understand what's being asked before looking at code
- Trace Code Systematically: Use your scratch paper to track variable values
- Eliminate Wrong Answers: Cross out obviously incorrect options first
- Watch for "All of the Above": If you're sure about 2+ options, it's likely the answer
- Time Management: Don't spend more than 3 minutes on any one question
- Mark and Return: Skip difficult questions and come back with remaining time
Section II: Free Response Questions (FRQs)
The Free Response section contains 4 questions worth 9 points each (36 points total). Each FRQ type appears on EVERY exam in the same order.
FRQ Scoring Breakdown
Each FRQ is worth 9 points, typically distributed across 2-3 parts:
- Part (a): Usually 4-5 points - simpler method or task
- Part (b): Usually 4-5 points - more complex, may use part (a)
- Part (c): Rare, but some years have 3-part questions
💡 FRQ Strategy Tips
- Read All Questions First: Start with your strongest FRQ type
- Show Your Work: Partial credit is awarded - write something for every part
- Use the Java Quick Reference: You have access to method signatures
- Allocate Time: ~22 minutes per FRQ (aim to finish each in 20 minutes)
- Write Comments: Brief comments can help graders understand your intent
- Syntax Matters: While minor errors are forgiven, major syntax errors lose points
- Test Edge Cases: Consider empty arrays, zero values, boundary conditions
Scoring System
How Raw Scores Convert to AP Scores
Your performance on both sections is combined into a composite score, which is then converted to a score of 1-5. The conversion varies slightly each year, but here's the typical range:
| AP Score | Composite Score Range | Percentage | College Credit |
|---|---|---|---|
| 5 (Extremely qualified) | 62-80 points | ~78-100% | Usually granted |
| 4 (Well qualified) | 47-61 points | ~59-77% | Often granted |
| 3 (Qualified) | 37-46 points | ~46-58% | Sometimes granted |
| 2 (Possibly qualified) | 29-36 points | ~36-45% | Rarely granted |
| 1 (No recommendation) | 0-28 points | 0-35% | Not granted |
2025 National Score Distribution
- 5: 25.5% of test-takers
- 4: 21.8% of test-takers
- 3: 20.7% of test-takers
- 2: 13.1% of test-takers
- 1: 18.9% of test-takers
What Score Do You Need? A score of 3 or higher is considered "passing" and may qualify for college credit. Check with your target colleges for their specific AP CSA credit policies.
Time Management Strategy
Section I: Multiple Choice (90 minutes)
- First Pass (60 minutes): Answer all questions you can solve quickly (~2 min each)
- Second Pass (25 minutes): Return to marked difficult questions (~3-4 min each)
- Final Check (5 minutes): Review answers, ensure bubbles filled correctly
Section II: Free Response (90 minutes)
- FRQ 1 (20-22 minutes): Methods & Control - typically most straightforward
- FRQ 2 (22-24 minutes): Class Writing - requires planning, may take longer
- FRQ 3 (20-22 minutes): Array/ArrayList - usually moderate difficulty
- FRQ 4 (22-24 minutes): 2D Array - often most challenging, may need extra time
- Buffer (2-6 minutes): Final review, add comments, check syntax
Pro Tip: Flexible FRQ Ordering
You don't have to answer FRQs in order! Read all 4 questions first and start with whichever type you're most confident about. Just make sure you write your answers in the correct section of the response booklet.
What's Provided on Exam Day
What You CANNOT Bring
- ❌ Calculator (not permitted for any section)
- ❌ Computer or laptop (all work done on paper)
- ❌ Notes or reference materials (except provided Quick Reference)
- ❌ Phone or smartwatch (must be turned off and stored)
- ❌ Food or drink in testing room (may be allowed outside during breaks)
About the Java Quick Reference
The Java Quick Reference Sheet is provided with your exam. It includes:
- String methods: length(), substring(), indexOf(), compareTo(), equals()
- ArrayList methods: size(), add(), remove(), get(), set()
- Math methods: abs(), pow(), sqrt(), random()
- Integer/Double wrapper class methods
- Basic syntax reminders (but NOT all Java syntax!)
Practice with it! Download a copy from College Board and use it when practicing FRQs so you're familiar with what's available on exam day.
Frequently Asked Questions
When is the AP Computer Science A exam?
Is AP Computer Science A hard?
Do I need to memorize all Java syntax?
Can I use a calculator on the AP CSA exam?
What programming language is used on the AP CSA exam?
How should I prepare for the FRQ section?
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