You can block websites on Google Chrome using an extension called BlockSite or in Settings.
If you want to block social media apps from yourself, there are dozens of apps and tools you can use, including Freedom, ...
San Diego Unified School District approves a 4x4 block schedule for three high schools, aiming for flexible, intensive ...
The San Diego Unified School Board is looking to vote on a proposal to implement block schedules for some of its high schools ...