PublicGrades 9-12

Sierra High School

1040 East Gladstone Street, Azusa, CA 91702-4837(626) 852-8300
Total Students119
Student/Teacher7.75:1
Reading Prof.20.97%
Graduation Rate94.4%

School Information

Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
Principal / AdminTheresa Petersen(626) 852-8300
Founded1980
Free/Reduced Lunch94.12% Eligible
Acceptance Rate100%

Student Demographics

White2.5%
Hispanic95%
Black0.8%
Two Or More1.7%

Gender Distribution

58.8%
41.2%
Male
Female

Students per Grade

Grade 1151
Grade 1268

School Calendar 2026-2027

July 2026

Academic Schedule • 2026-2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
28
29
30
1
2
3
Independence Day (Observed)
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Key Dates & Holidays

2026-2027
  • Jul03

    Independence Day (Observed)

    Jul 3, 2026

  • Sep07

    Labor Day

    Sep 7, 2026

  • Nov11

    Veterans Day

    Nov 11, 2026

  • Nov26

    Thanksgiving Day

    Nov 26, 2026

  • Dec25

    Christmas Day

    Dec 25, 2026

  • Jan01

    New Year's Day

    Jan 1, 2027

  • Jan18

    Martin Luther King Jr. Day

    Jan 18, 2027

  • Feb15

    Presidents' Day

    Feb 15, 2027

  • May31

    Memorial Day

    May 31, 2027

  • Jun18

    Juneteenth (Observed)

    Jun 18, 2027

Discovering Excellence at Sierra High School

This public institution, nestled in Azusa, CA, within the Azusa Unified School District, offers a vibrant environment for grades 9-12. Families often seek schools providing diverse athletic opportunities like basketball and soccer, alongside engaging academic pursuits such as STEM programs or robotics clubs. Students may also find avenues to explore creative arts and track and field.

Your Guide to Student Success

The campus is dedicated to fostering academic growth and personal development. We encourage prospective families to explore the wealth of opportunities available. For detailed planning, parents can conveniently review the academic calendar directly on this page.

Frequently Asked Questions

What types of extracurricular activities are available for students?
While specific programs can vary each academic year, students often have access to a range of clubs, including those focused on STEM and robotics, as well as various athletic teams. We advise reaching out to the school administration for the most current information on available activities.
How can I learn more about the school's academic programs?
Detailed information about the curriculum and academic offerings can typically be found within the school's official website or by contacting the admissions office directly. Specific program details are often highlighted during open house events.
Are there opportunities for students interested in the arts?
Many high schools provide diverse arts programs, which may include visual arts, music, or drama. It is recommended to inquire with the school directly to understand the specific artistic disciplines offered at this institution.
What is the typical class size at this high school?
Class sizes can vary depending on the subject and grade level. For the most accurate information regarding current class sizes, it is best to contact the school's administrative office.

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