CodeHS allows teachers to create customized autograders to help grade student work. Most CodeHS coding exercises come with their own pre-written autograder to help guide students and teachers through the curriculum.

Learn more about CodeHS Autograders and what they can check in this article: CodeHS Autograders 📖

You can view the autograder editor from the Autograder Editor tool in the Create App or by clicking the Edit Autograder button in the activity edit modal from the Assignments App.

When you initialize the Autograder, you will see a code editor with documentation for your chosen language. Use this documentation and our language-specific guides to help you build your own custom autograder.

The Autograder Editor allows you to build custom autograders to test your students' code and the results it produces. The editor provides a variety of controls to help you manage your tests and assignments.

Below the assignment name, you can preview, edit, or assign the activity, and view how many courses the assignment is assigned to.

Above the autograder code editor window, you can preview the activity, preview the test case, or expand the code editor window.

Each custom autograder file will contain at least one test case that checks student code. You can add or edit the code to include a new test case to the assignment’s overall autograder. To add a new autograder file:

Some assignments may include Preset Config autograders below the custom autograder files. These are pre-built tests that perform simple checks on a student's program. For example, they can verify if a student used a while loop or wrote the specified minimum number of comments.

You can toggle Preset Configs on or off, and edit their options by clicking the pencil icon next to each field.

Each language has its own way of creating and defining autograders with code. Check out these articles for more information on creating language specific autograders:

For an advanced guide to creating Custom Autograders, take a look at our Autograder Guides 📚.

Set the autograder's Feedback Level and Visbility settings in the top-right of the Autograder Editor or from the Autograders tool in the Code Review App.