AP Computer Science
Principles

AP CSP: The Foundation of the Digital World

The most comprehensive agentic AP CSP course. From binary data to internet protocols, from algorithm design to the impact of computing on society — master every Big Idea, ace the Create PT, and score a 5 — guided by Dr. Sofia Rivera and SofAI.

• › Single-select and multi-select MC questions
• › Tests all 5 Big Ideas (CRD, DAT, AAP, CSN, IOC)
• › Includes algorithm tracing, pseudocode reading, and scenario analysis

• › Write a program that uses: iteration, selection, procedures (with parameters), and lists
• › Program must demonstrate a unique purpose that you designed
• › Submit video of program running + program code file

• › Written Response 1: Describe program's purpose, video demonstration, and data abstraction using a list
• › Written Response 2: Explain an algorithm using mathematical concepts and discuss program development and testing

• › No prior programming experience required to take the exam
• › Pseudocode is explained in the AP CSP Reference Sheet — read it before test day
• › About 1/3 of questions involve algorithm/pseudocode analysis; 2/3 are conceptual

Create PT Target: Near-perfect written responses (identify list, algorithm, and testing explicitly)

Multiple Choice Target: ≥ 75% (~52 of 70 questions correct)

Algorithm Tracing: 100% accuracy on pseudocode trace questions (high-frequency, high-value)

Impact Questions: Answer both beneficial AND harmful effects for full credit

Create PT Mastery Suite

The Create Performance Task is where the AP CSP exam is won or lost. Students who nail both written responses and build a well-structured program consistently score 5s.

Start the Create PT early — treat it like a mini-project, not a last-minute assignment. Students who start early iterate more and score significantly higher.

Memorize binary-to-decimal conversion. At least 3-5 MC questions involve converting between number bases or calculating storage requirements (bits × pixels, etc.).

For internet questions, always think in layers: physical hardware → IP addressing → DNS → packets → TCP → application. Understanding the flow earns full credit on scenario questions.

Practice tracing pseudocode under a 90-second time limit per question. The AP CSP pseudocode is slightly different from Python/JavaScript — study the Reference Sheet until it feels natural.

Impact of Computing questions (21-26% of exam!) reward students who can argue both sides. For every computing innovation, practice writing: one beneficial effect + one harmful effect + one trade-off.

On the written responses, answer exactly what is asked — no more, no less. Graders follow a rubric with specific required elements. Adding irrelevant information cannot help but CAN hurt if it contradicts a correct statement.

Phase 1: Foundation — Data, Binary, and Creative Development

• Complete Code.org Units 1-3 (Big Ideas: CRD and DAT)
• Practice binary ↔ decimal conversions until automatic (10 problems/session)
• Start brainstorming Create PT program ideas — list 5 candidates
• FRQ practice: one Written Response 1 draft per week

Phase 2: Core Programming — Algorithms and the Create PT

• Complete Code.org Units 4-5 (Big Idea: AAP — algorithms and programming)
• Build and test your Create PT program (must include procedure, list, selection, iteration)
• Trace AP CSP pseudocode problems daily — aim for 95% accuracy
• Draft both Create PT written responses and revise with Dr. Sofia

Phase 3: Internet, Networks, and Impact of Computing

• Complete Code.org Units 6-7 (Big Ideas: CSN and IOC)
• Finalize and submit Create PT written responses
• Practice IOC discussion questions (both beneficial and harmful effects)
• Complete 3 full AP past MC exams under timed conditions (120 min each)

Phase 4: Full Exam Simulation and Final Review

• Two full timed practice MC exams (70 questions, 120 min each)
• Review every wrong answer with Dr. Sofia (SofAI chat)
• Final review: AP CSP Reference Sheet pseudocode syntax cold
• Score 5 checklist: binary conversion, internet layers, algorithm tracing, Create PT rubric mastery

Your CSP Skills Are an Academic Superpower — Use Them in AP Seminar

AP Computer Science Principles builds exactly the skills AP Seminar demands: evidence-based argumentation, research synthesis, and analysis of real-world issues. See how Jiang combined these disciplines to build an outstanding portfolio recognized at the national level.