Some school have on-site repair centers. Students can quickly swap a broken device for a refurbished working one. It's a constant cycle. The repair centers hav

Some school have on-site repair centers. Students can quickly swap a broken device for a refurbished working one. It's a constant cycle. The repair centers have a stash of parts, and do basic part swap-outs on site. Students get charged if they break too many screens. Not sure the cost of running these centers, or if parents volunteer.