home / world/ united states/ california / school start time change may boost performance T thedispatch.com 3d School Start Time Change May Boost Performance Banning phones in schools may not be as effective in boosting school performance as simply letting kids sleep longer. The Dispatch • thedispatch.com/article/academic-performance-phone-bans-school-start-times-sleep/ CaliforniaEducationLos AngelesPublic HealthUnited StatesK-12HealthWorld