This is the same as assigning school houses to students with the help of the form teacher or class teacher
Step 1: Click on 'Manage Students' School Houses' on the left side of the page under 'Form Teacher'.
Step 2: Select a class.
Step 3: Assign a schoolhouse to students by clicking on the 'Select School House' dropdown.
Step 4: Click on the 'Save' button to save.