Free Computer Science Quiz for Teachers
Make algorithms, data structures, and coding concepts click with real-time quizzes for up to 50 students. Puzzle questions for ordering steps, type-answer for code output — all free.
No credit card required
Designed for Computer Science Classrooms
Puzzle / Ordering Questions
Students arrange algorithm steps, sort pseudocode lines, or order Big-O complexity rankings. Perfect for teaching algorithmic thinking.
50 Students Free
Your entire CS class participates simultaneously. Free tier supports up to 50 players — no cost for classroom-sized groups.
Fill-in-the-Blank
Students complete code snippets or name data structures. Ideal for testing syntax knowledge and reinforcing programming vocabulary.
Concept Mastery Analytics
Track which algorithms or concepts have the lowest accuracy rates. Use the data to schedule targeted re-teaching sessions.
Type-Answer for Code Output
Ask students what a function returns — they type the output. No coding environment needed, just conceptual understanding.
CS Community Library
Access ready-made quizzes on binary, arrays, recursion, sorting algorithms, web fundamentals, and more from the Sheelon community.
Sheelon vs Kahoot for CS Class
Students per game (free)
Puzzle / ordering questions
Type-answer (code output)
Fill-in-the-blank questions
Real-time analytics
Monthly cost (Pro)
CSV question import
No student account needed
Teach CS Concepts That Actually Stick
Live competitive quizzes turn abstract CS theory into memorable, engaging experiences. Students retain more when they're having fun.
Free forever for up to 50 students per game