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


Yellow Day- November 9, 2022Today remains a YELLOW DAY. With a yellow day schedule, all schools start at 10:00am. Students should go to their bus stop two (2) hours later than usual, and school is dismissed at the normal time. Buses will run their regular times this afternoon (weather permitting).

Please leave early and drive carefully. Be sure your students wear appropriate clothing for the snow.
Thank you!

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