concepts
type: Collection
type: ConceptGroup
member: school start times

school environment: administration
type: Concept
narrower: school start times

school start times
type: Concept
broader: school environment: administration
definition: Most high schools in the United States begin the school day by 8 a.m. or earlier, with the corresponding rise time being about 75 to 90 minutes in advance of that. [Source: Encyclopedia of School Health; School Start Times]