Walnut High School

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New Bell Schedule for 2022-2023 School Year

In 2019, Gov. Gavin Newsom signed Senate Bill 328, which requires high schools next fall to start no earlier than 8:30 a.m.  SB  328 is rooted in over three decades of research on teen health, sleep patterns, and brain chemistry. Its goal is to align school start times to support better sleep habits, student health, and performance in school.  

Working closely with our staff and the district, we began preparing a plan to minimize disruption to our existing bell schedule and make any operational adjustments (transportation, food service, etc.) to support these changes.  

Earlier this month, we finalized our new bell schedule that will go into effect starting next school year.  To help you prepare for the changes in our start time and end times, we wanted to give you access to the updated schedule which will go into effect on August 8, 2022. 

If you have trouble with the attachments, you can click below to access the files:

Thank you for being so understanding, patient, and flexible as we work through another change. 


Dr. Ryan Maine


Walnut High School