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Sierra High School

1134 South Barranca Avenue

Glendora, CA 91740

(626) 852-8300


 EMAIL  Principal Paul Hernandez

EMAIL Carmen Oronia-Jara

            School Secretary


Sierra High School is a place where students have a second opportunity to achieve academic success. To bring this aspiration into reality we:

  • model and build good relationships
  • develop skills and knowledge
  • foster independent thinking in a safe environment

SHS Named Model School

Sierra High was named one of the State's Model Continuation High Schools by the State Department of Education.To be eligible for the recognition program, applicants must be accredited by the Western Association of Schools and Colleges and demonstrate exemplary program effectiveness in school management, curriculum, instructional strategies, educational climate, and guidance and counseling. As part of the application for recognition, parents, students, and community members are required to submit written statements in support of their schools.


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Peachjar e-flyers


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Sierra High School Calendar

Adult Education Center (AEC) Mural Project

Sierra's Underdog Mural Project

Sierra students in the Underdog Mural program begin a second Mural for the Adult Education Center.

Building Cardboard Chairs

GATE students in Mrs. Stricklin's Exploring Art class created cardboard chairs and benches that could hold 150-200 pounds.  A contest was held at lunch time to determine the winner.  The judging criteria was visual appeal and overall strength.  Chair #3, with the word "bench" on it, was the winner.  The designers and creators won an In-n-Out lunch as a reward.

PBIS at Lunch

PBIS "R-Buck" exchange

During lunch today, 2/22/16, Ms. Sainz gave students the opportunity to exchanged "R-Bucks" for treats.  Students were able to choose between soups, candy, cookies, or vendor coupons.  Ms. Sainz and her "R-Bucks" collection bucket are always a welcome site for staff and students.

New Parent Portal

AERIES Parent/Student portal is now available! 

You can now stay up-to-date with important school information. You can see your student’s grades, classes, attendance and a lot of useful information on AERIES, our new student information system. 

 Easy to follow directions listed on link below:


Message from Principal Paul Hernandez

I am honored and excited to be back as Principal of Sierra High School.  Sierra High School serves the needs of our students by offering proven and effective alternative programs including: a six-period day for continuation high school students, The Underdog Mural program, a competitive sports league, and  the Student Opportunity for Academic Recovery program (S.O.A.R.).  We are proud of our diverse programs and commitment to preparing students for work or college.  Our highest priorities are to improve reading, writing, and mathematics skills.  Please feel free to email me or stop by at your convenience.