This is the most imortant and recommended feature to ensure all students can get the recommended amount of sleep. Consider restricting during times you've designated to do schoolwork.
Block specific websites. This often ONLY blocks while connected to the data service and not wifi which is why it is important to use both strategies
Are there apps you'd prefer they not use? If so, block them here. Remember, students under the age of 13 have additional restrictions. Always check the terms and conditions of apps to be sure.
Almost all parental controls locate your child's phone.