Algorithms, data, internet, cybersecurity, big ideas.
Session settings
Locked once you start.Feedback
Text size
You can still adjust zoom mid-test with A− / A+.
Real Test
Full-length test
70 questions, 120 min countdown. Same length and pacing as the real exam.
Best on desktop - a computer is recommended for full-length tests.
Warmup
Quick practice
Random questions across all topics. Pick a difficulty to dial up the challenge.
Targeted
Practice by topic
Drill one skill until it stops scaring you.
Smart Mix
AI smart quiz
Pulls original, exam-style questions from the AP CS Principles bank by topic + difficulty, and tops up with fresh AI when the bank runs short.
AI · Fresh
Endless AI questions
Brand-new questions written by AI every time — no repeats. Great when you've drilled the bank dry.
Stuck? Ask the AI tutor.
Adaptive help that explains your mistakes step-by-step.
Practice AP CS Principles free response
2 rubric-graded prompts. AI scores against an exam-style rubric.
Exam blueprint
70 MCQ end-of-course exam (70%) + Create Performance Task (30%).
Big Idea 1Creative Development10–13%
Big Idea 2Data17–22%
Big Idea 3Algorithms and Programming30–35%
Big Idea 4Computer Systems and Networks11–15%
Big Idea 5Impact of Computing21–26%
Source: College Board Course & Exam Descriptions, 2025–26.