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News and Announcements

Temporary Lockdown - Dec 17

Dear Brahma Parents,

Monday, December 17, at approximately 9:45 a.m., Diamond Bar High School was notified by the Walnut Sheriff's Department that a suspicious individual was in the vicinity. In the interest of our students' and staff's safety, we immediately went into our lockdown procedure. At approximately 10:05 a.m., we were notified by the Sheriff's Department that the individual in question was detained and was in police custody.

The all-clear was given. We went back to our normal bell schedule. Please know that your child's safety is our number one priority and once that safety was secured and verified, parents were notified as quickly as possible.


Principal Catherine Real
Diamond Bar High School

CLICK HERE for Los Angeles Times Article.