Initiative Description: : Delayed start time for school. The research team collected data from school districts throughout the nation that successfully implemented delayed start times in high schools. Delayed start times ranged from 8:45 to 9:15 am.

Delayed start times study is based on the Sleep Medicine findings on understanding the relationship between adequate amounts of sleep and daytime functioning carried out by the Children’s National Medical Center’s (CNMC).

Study Results:A start time of later than 8:30 AM to improved attendance rates and graduation rates.

Reference: McKeever, P.M., Clark, L (2017). Delayed high school start times later than 8:30 AM and impact on graduation rates and attendance rates. Sleep Health. 3,(2) 119-125.

Level of Evidence: 2 out of 5 stars Good