Run your computer science class in one place

HelpQueue, Java assignments that grade themselves, live polls and a code visualizer. Grades go straight to Google Classroom, and it is free for every classroom.

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Used by 20,000 students at

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Everything your class runs on

Five tools that share one class, one roster and one sign-in.

The HelpQueue with tagged student requests
HelpQueue

A help line without raised hands

Students ask from their seat and tag the topic, so you know what they need before you walk over.

More about HelpQueue
A Java assignment with run output and passing checks
Assignments

Java assignments that grade themselves

Hidden tests score every submission, and grades go straight to Google Classroom.

More about Assignments
Laying out buttons and fields on the phone screen and editing the bill input
Apps

Java that runs as a real app

Students lay out buttons and fields on a phone, pull in real data sets, and make it all work with their own Java.

More about Apps
A live poll with results by answer
Polls

Check the room in ten seconds

Ask a quick question before moving on and watch the answers come in live.

Java stepping through method calls with the call stack and an object
Visualizer

Watch Java run line by line

Every variable, array and method call as it changes, so students stop guessing.

Bring your class to Classbrook

Free for every classroom. Create a class, share the code and your students are in.

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