Can you wipe a school computer?
you need to identify the version of windows on it and then simply do a clean install . this will wipe the system completely and remove everything that is on it. the clean install will allow you to start fresh like you want to.
How do I reset my school computer to factory settings?
Navigate to Settings > Update & Security > Recovery. You should see a title that says “Reset this PC.” Click Get Started. You can either select Keep My Files or Remove Everything. The former resets your options to default and removes uninstalled apps, like browsers, but keeps your data intact.