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California
Antelope Valley Union High School District
R. Rex Parris High

Antelope Valley Union High School District

R. Rex Parris High

Palmdale, California

632 students

High School, Grades 9–12

(661)274-1230School Website

632

Students

32:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,050

B

out of 1600
Average
Avg ACT Score

23

B+

out of 36
Good
Student-Teacher Ratio

32:1

C

students per teacher
Below Avg
Graduation Rate

78%

A-

Good
This Week at R. Rex Parris High – April 17, 2026

80 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

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Explore practice resources for R. Rex Parris 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 R. Rex Parris 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

38801 Clock Tower Plaza Dr., Palmdale, CA 93550

Phone

(661)274-1230

Website

Visit Website

District

Antelope Valley Union High School District

Academic Calendar
2025-2026

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