Coding practice for schools

About CSWizz

Learn computer science by writing real code.

CSWizz is a free coding practice platform for students and teachers. Write and run code in your browser, work through coding tutorials, and explore resources for Cambridge IGCSE and IB Diploma Programme Computer Science.

Start with a playground

Experiment with Python, including Turtle graphics and Pygame, practise JavaScript and SQL, build web pages, or try Cambridge IGCSE pseudocode.

Build understanding through practice

Follow interactive coding lessons or explore course resources for revision and coursework. Course resources require a free account.

Bring coding into the classroom

Teachers can create classes, share starter code, set assignments and review student submissions. Students join their teacher’s class with a class code.

Create a free teacher account