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Abc Unified School District
Gahr (Richard) High

Abc Unified School District

Gahr (Richard) High

Cerritos, California

1,682 students

High School, Grades 9–12

(562)229-7730School Website

1,682

Students

21.5:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,043

B

out of 1600
Average
Avg ACT Score

29

A

out of 36
Excellent
AP Courses

18

A

courses offered
Excellent
AP Enrollment

22%

C

of students
Good
Student-Teacher Ratio

22:1

B-

students per teacher
Average
Graduation Rate

95%

A+

Excellent
This Week at Gahr (Richard) High – August 24, 2026

216 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

Start practicing →
Math

0

students

Start practicing →
English

0

students

Start practicing →
Science

0

students

Start practicing →
Explore practice resources for Gahr (Richard) High students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Gahr (Richard) High

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Gahr (Richard) High.

National Tests

August 1, 2026 – November 30, 2026

ISEE — Fall Testing Season

Testing window

August 3, 2026 – June 30, 2027

SSAT — Flex Testing

Testing window

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

September 1, 2026

SAT — National

Late registration deadline

September 4, 2026

SAT — National

Score release
+75 more national tests this school year

State Assessments

March 1, 2027 – June 30, 2027

CAASPP — Statewide Window

Testing window
CA

School Milestones

October 1, 2026 – October 15, 2026

Private School Affidavit Filing Window

Other
CA
See the full national test & school calendar
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School Details
Address

11111 Artesia Blvd., Cerritos, CA 90703

Phone

(562)229-7730

Website

Visit Website

District

Abc Unified School District

Teachers & Staff
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Other Schools in District
Gahr (Richard) High
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Elliott (William F) Elementary
Burbank (Luther) Elementary
Leal (Frank C.) Elementary