Only admin users can delete a user from LiveSchool. Deleting a user will delete their usage data (you will not see the user on the Teachers Scoreboard); however, any points issued by the user will remain accessible when viewing students' data (students will not lose any points).
STEP 1
Go to Setup

STEP 2
Click Users

STEP 3
Click the Delete Button

STEP 4
Confirm and Delete the User

Making space for another user? Use these instructions to add a new user to LIveSchool.