AP Computer Science Principles Resources | 2025-2026
Free Exam Prep — 2025–2026
AP Computer Science
The College Board's introductory computing course. No prior programming experience required. Covers five Big Ideas from data and algorithms to the impact of computing.
AP Computer Science
Principles (2025–2026)
The College Board's introductory computing course. No prior programming experience required. Covers five Big Ideas from data and algorithms to the impact of computing.
70
MCQ · 70%
5
Big Ideas
34.8%
Our students score 5s
1-on-1 AP CSP Tutoring
CPT deadline April 30. Exam May 14. Work directly with Tanner.
34.8% of students score 5s — nearly 4x the 9.6% national rate.
The 5 Big Ideas (2025–2026)
Big Idea 1
17–27%
Creative Development
Abstraction
Debugging: Syntax, Logic & Runtime
Testing & Edge Cases
Collaboration & Program Design
Sequencing, Selection & Iteration
Full Study Guide →
Big Idea 2
17–27%
Data
Binary & Digital Representation
Lossless vs. Lossy Compression
Metadata & Privacy
Correlation vs. Causation
Analog vs. Digital Data
Full Study Guide →
Big Idea 3
30–40% ★
Algorithms & Programming
AP Pseudocode Syntax
Conditionals & Boolean Logic
Lists & List Operations
Procedures & Parameters
Linear & Binary Search
Full Study Guide →
Big Idea 4
11–15%
Systems & Networks
Internet vs. World Wide Web
TCP/IP, HTTP, HTTPS & DNS
Fault Tolerance & Redundancy
Parallel vs. Sequential Computing
Encryption: Symmetric & Asymmetric
Full Study Guide →
Big Idea 5
21–31%
Impact of Computing
Privacy, PII & Data Trails
Digital Divide
Algorithmic Bias & Fairness
Copyright, Creative Commons & Open Source
Crowdsourcing & Citizen Science
Full Study Guide →
All Topics
49 Topic Deep Dives
Lossless vs. Lossy Compression
Correlation vs. Causation
AP Pseudocode Syntax
Algorithmic Bias
Digital Divide
Browse All Topics →
Full-Length Practice
Practice Exams
- 70 MCQ
- All 5 Big Ideas
- 3 Full Exams
- Instant Scoring
70
Questions
Take Exam →
Curated Hard Questions
Top 100 AP CSP Questions
- All 5 Big Ideas
- Hardest Concepts
- Instant Reveal
- 100% Free
100
Questions
Start Drilling →
Premium Study Tool
AP CSP Flashcards
- All 5 Big Ideas
- Pseudocode & Logic
- Key Vocab
- BI 1 Free
200
Flashcards
Study Now →
Performance Task — 30% of Score
Create Task Guide
- 6-Point Rubric
- Row-by-Row Breakdown
- Project Ideas
- Due Apr 30
30%
of Score
Read Guide →
All AP CSP Resources
Study
Practice
AP CS Course Comparison
Not sure which AP Computer Science course is right for you? Here's how AP CSP, AP CSA, and AP Cybersecurity compare.
| AP Computer Science A | AP Computer Science Principles | AP Cybersecurity | |
|---|---|---|---|
| Focus | Java programming & object-oriented design | Computing concepts, data, & the internet | Security principles, threats & defenses |
| Coding Required | Yes — Java throughout | Optional — pseudocode on exam | Minimal — concept-focused |
| Exam Format | 42 MCQ + 4 FRQ (Java) | 70 MCQ + Create Task | MCQ + FRQ (new 2026) |
| Difficulty | More Rigorous | Moderate | New 2026 |
| Best For | CS majors, software engineering, strong math students | Any student — broad intro to computing | Students interested in cybersecurity & IT careers |
| Prereqs | Algebra II recommended | None required | None required |
| College Credit | CS1/CS2 equivalent at many schools | Intro computing credit at some schools | Varies — first year of exam |
| Our Resources | AP CSA Hub → | AP CSP Hub → | AP Cyber Hub → |
Ready to prep?
All resources free — aligned to the 2025–2026 AP CSP exam
Frequently Asked Questions
Section I has 70 multiple choice questions (70% of score). Section II is the Create Performance Task written response (30%), answered on exam day using your Personalized Project Reference.
Big Idea 1 Creative Development, Big Idea 2 Data, Big Idea 3 Algorithms and Programming, Big Idea 4 Computer Systems and Networks, Big Idea 5 Impact of Computing. The MCQ exam draws questions from all 5 Big Ideas.
The Create Task is a programming project completed during at least 9 hours of class time. Students submit a Personalized Project Reference (PPR) by April 30, 2026, then answer two written response questions about their PPR code on exam day. The CPT is worth 30% of the AP CSP score.
AP CSP is one of the more accessible AP courses. No prior programming experience is required. Students who practice daily MCQ questions and plan their Create Task carefully score well. APCSExamPrep.com students score 5s at 34.8% vs. 9.6% nationally.
AP CSP uses pseudocode on the multiple choice exam. Students can write their Create Task in any language including Python, JavaScript, or Scratch. No specific language is required or tested on the exam.
AP CSP is a broad intro to computing concepts — no specific language required. AP Computer Science A is a Java programming course focused on object-oriented design and algorithms. AP CSA is more rigorous and better suited for students planning CS or engineering majors.
What Score Do You Need for College Credit?
Search 1,900+ colleges to find the minimum AP score required for credit. Compare AP CSA and AP CSP policies side by side.
Search College Credit Policies →
Featured Resource
AP CSP MCQ Bootcamp 2026
Full 70-question walkthrough with recording, annotated answer key, Big Idea cheat sheet, and error-spotting guide. From a teacher with 34.8% of students scoring 5s vs 9.6% nationally.
View Bootcamp Details →
AP CSP Exam — May 14, 2026
Where are you right now?
Choose the prep path that matches your situation — not just a product.
Days until exam:
—
days
Best for you now
Phase 1 — Study
Just Getting Started
You have time to build a real foundation
Work through the unit study guides in order. Understanding
the material deeply now means less panic later — and
higher scores on both the MCQ and FRQ.
Start with Study Guides →
Free: try a daily practice question
Or get a day-by-day plan from the start →
Best for you now
Phase 2 — Practice
I Know It — I Need Reps
You understand the concepts but haven't tested yourself yet
The fastest way to find gaps is a full exam under timed
conditions. Your weak spots will surface immediately —
and you'll know exactly where to focus your remaining time.
Take a Full Practice Exam →
Or try the free 70 MCQ practice exam
Best for you now
Phase 3 — Focused Review
Running Out of Time
1–3 weeks out and you need a focused plan
Stop browsing random topics. A day-by-day cram plan tells
you exactly what to cover each day so nothing important
gets skipped and nothing gets over-studied.
Get the Cram Kit →
Free: try a daily CSP practice question
Or add expert tutoring alongside the plan →
Best for you now
Phase 4 — Exam Mode
Exam Is Days Away
You need the fastest path to points right now
—
days until AP CSP exam
One focused tutoring session with someone who knows exactly
what the exam tests is worth more than 10 more hours
studying solo. Lock in a slot before they fill up.
Book a Tutor Session →
Or get the Cram Kit for a self-study plan
Exam's done — good luck on scores.
AP CSA scores release in July. In the meantime, check out what
your score means for college credit and what to expect next.
Browse All AP CSP Resources →
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