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Downey Unified School District
Columbus (Christopher) High

Downey Unified School District

Columbus (Christopher) High

Downey, California

492 students

High School, Grades 10–12

(562)904-3552

492

Students

17.6:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,120

B+

out of 1600
Good
Avg ACT Score

24

B+

out of 36
Good
Student-Teacher Ratio

18:1

B

students per teacher
Average
Graduation Rate

95%

A+

Excellent
This Week at Columbus (Christopher) High – April 8, 2026

59 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

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English

0

students

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Science

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students

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Explore practice resources for Columbus (Christopher) High students
Academic Grades

Select a grade level to explore courses and resources

10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Columbus (Christopher) 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

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1:1 Tutoring

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Practice Hub

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School Details
Address

12330 Woodruff Ave., Downey, CA 90241

Phone

(562)904-3552

District

Downey Unified School District

Academic Calendar
2025-2026

Important dates, holidays, and school events

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Other Schools in District
Unsworth (Edith) Elementary
Griffiths (Gordon) Middle
Warren (Earl) High
Gallatin Elementary
Williams (Spencer V.) Elementary
Downey Unified Virtual Acad at Lynn L. Pace Ed Center