All school campuses in the Walnut Valley Unified School District, including DBHS, will be closed through the remainder of the 2019-20 school year because of the COVID-19 pandemic. We are transitioning to online instruction.
Teacher Diane Tobar Retires
Math teacher Diane Tobar is retiring from Diamond Bar High School after 30 years of service in the Walnut Unified School District. She taught mathematics at Walnut High for 4 years before teaching at Diamond Bar High for 26 years.