Testing multiple classes/teachers at once

You can test multiple classes/teachers/classrooms/subjects/students this way: First go to corresponding view (Whole/Teachers/Classrooms/Subjects/Students).

Then select rows that you wish to test. You can do it by clicking on row headers. Use Ctrl+click to add row to selection and Shift+click to add sequence of rows at once. Then right-click on some selected row header and choose Test.

Note: It is also possible to test multiple items by right-click on any card, then choose Test - More.