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The most engaging AP Computer Science prep available today.

StarCoder is a multiplayer game where students master AP CS A (Java) and AP CS Principles — by writing real code that controls their ship, builds worlds, and defeats bosses alongside their classmates.

🎯

AP CS A — Java

Rubric-aligned Free Response and Multiple Choice practice.

  • Full FRQ coding with instant feedback
  • Timed MCQ exam simulations
  • OOP, arrays, ArrayLists, recursion
  • Algorithm design & analysis
  • Step-by-step scoring breakdowns
💻

AP CS Principles

Computational thinking and creative coding practice.

  • Multiple choice exam prep
  • Abstraction & algorithm concepts
  • Data representation & analysis
  • Internet & computing impact
  • Create Task skill building
🚀

Multiplayer Coding

The secret weapon: learning that doesn't feel like studying.

  • Code controls your ship in real time
  • Build autonomous agents & AI bots
  • FTC/VEX-style team matches in your classroom
  • Compete against other schools
  • Deploy & share code capsules

AP prep that students actually want to do.

Traditional AP CS prep is worksheets, lectures, and isolated coding exercises. StarCoder drops students into a multiplayer world where every concept they learn has an immediate, visible effect.

✕ Traditional AP Prep

Study alone, memorize syntax, hope it sticks.

Students grind through isolated exercises with no context. Concepts feel abstract. Motivation fades. By exam day, half the material is forgotten.

✓ StarCoder

Write code. See your ship move. Beat the boss.

Students write Java that controls their ship, creates autonomous agents, and reshapes the world — then take AP-aligned FRQ and MCQ practice that tests the same skills. Concepts stick because they were used, not just memorized.

FTC/VEX-style competitive coding — no robot required.

Everything students love about FIRST Tech Challenge and VEX Robotics Competition — the teamwork, strategy, competition, and adrenaline — but accessible to every student, from any browser, with zero hardware cost.

2:00

Autonomous Period

Keyboard controls are locked. Only your code can fly the ship. Students who wrote better autonomous programs gain an early lead — just like FTC/VEX autonomous mode.

3:00

Driver-Controlled

Keyboard unlocks. Students fly manually and run code side by side. Coordinate with teammates, claim planetoids, plant trees in your team's color, and defend your territory.

1:00

Endgame

Points double. Every tree and critter counts twice. The final 60 seconds decide the match — just like FTC/VEX endgame scoring.

No $5,000 Robot Kits

FTC and VEX teams spend thousands on parts, tools, and field elements. StarCoder runs in a browser. Every student can compete, not just the funded robotics team.

Every Student Plays

FTC and VEX cap teams at small groups. StarCoder matches include your entire class. No one sits on the sidelines.

School vs. School

Run league matches between classrooms or across schools. Same competitive structure, brackets, and rankings — all online.

Pure Coding Competition

No mechanical engineering or build season needed. The competition is 100% code quality — the exact skill AP CS A is testing.

What students walk away with.

📊

Improve Your Score

Rubric-aligned FRQ and MCQ practice designed to earn college credit.

🎮

Real Engagement

A multiplayer world where code has immediate, visible consequences.

🏆

Competitive Drive

FTC/VEX-style team matches with autonomous, driver, and endgame periods.

🤖

Autonomous Agents

Build AI bots that act on their own — real agent design, not just prompting.

SC

Built by an AP CS teacher and professional engineer.

StarCoder was created by a professional engineer and software developer, former AP Computer Science teacher, former robotics coach, and machine learning instructor. This isn't a generic test-prep platform. It's a structured mastery system built from years of teaching real students, coaching competitive robotics, and shipping production software.

AP CS Teacher Robotics Coach ML Instructor Professional Engineer

Ready to make AP CS the class students look forward to?

StarCoder prepares students for the AP CS A and AP CS Principles exams — with FTC/VEX-style team matches, multiplayer coding, and AP-aligned practice that students actually want to do.

Spring 2026 cohort spots are limited.