Local News and Events in Diamond Bar, CA
High School Uses Wednesday Late Start
Wednesday, October 21, 2026 · Diamond Bar, CA
Diamond Bar High School will follow its late-start schedule on Wednesday, October 21, at the Pathfinder Road campus. The published schedule places Period 1 from 9:15 to 10:05 a.m., lunch from 12:01 to 12:36 p.m., and Period 6 from 2:40 to 3:30 p.m. The AP Science Period 6a ends at 3:59 p.m. Families can use these verified bell times when arranging student arrival, lunch plans and afternoon pickup.
Location: Diamond Bar High School · 21400 Pathfinder Road, Diamond Bar, CA 91765



