Welcome to Sierra High School
461 Sierra Park Road
Mammoth Lakes, CA 93546
(760) 934-3702
Sierra High School Mission Statement
Sierra High School is a safe and nurturing environment where students have built positive relationships with their peers and have positive adult role models on campus that will assist them with becoming productive adult citizens.

The staff at Sierra High School believes that all students have the potential to learn the core of knowledge that ultimately leads to a productive, independent life style.

• We are committed to providing all students within a safe, clean, secure environment with equal access to the core curriculum which is an integration of academic and vocational disciplines.

• We are committed to developing effective programs to enhance every student’s talents and abilities.

• We are committed to providing programs to all students that promote their social and emotional growth.

• We are committed to providing avenues for parent and community involvement.

News & Announcements

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Sierra High School Events

Board of Education Special Meeting
Date: 5/23/2022, 4:30 PM 6 PM
Location: Mammoth Unified School District Office 461 Sierra Park Road Mammoth Lakes, CA 93546
Board of Education Meeting
Date: 5/26/2022, 6 PM 8 PM
Memorial Day NO SCHOOL
Date: 5/30/2022
Senior Walk
Date: 6/2/2022, 10 AM 12 PM
Location: MES/MMS/MHS
Last Day Of School
Date: 6/7/2022