San Luis High School

Yuma Union High School District (4507)

San Luis, Arizona

2,571 students

High School, Grades 9–12

(928)502-6100 School Website

2,571

Students

25.5:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,100

B+

out of 1600

Good

Avg ACT Score

out of 36

Average

AP Courses

courses offered

Excellent

AP Enrollment

21%

of students

Good

Student-Teacher Ratio

26:1

students per teacher

Below Avg

Graduation Rate

93%

A+

Excellent

Reading Proficiency

18%

Below Avg

Math Proficiency

11%

Below Avg

This Week at San Luis – August 18, 2026

339 students practicing on Varsity Tutors

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ACT Prep

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MATH

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Academic Grades

Select a grade level to explore courses and resources

Academic Resources

Typical courses and practice resources for students at San Luis High School

Biology

Cell biology, genetics, evolution, and ecology

AP Biology

College-level biology with lab component

Chemistry

Atomic structure, reactions, and stoichiometry

AP Chemistry

College-level chemistry with lab component

Physics

Mechanics, waves, electricity, and magnetism

AP Physics 1

Algebra-based mechanics and waves

Environmental Science

Ecosystems, human impact, and sustainability

AP Environmental Science

College-level environmental science

World History

Global civilizations from ancient to modern times

AP World History

College-level world history analysis

U.S. History

American history from colonization to present

AP U.S. History

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at San Luis High School.

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 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

September 1, 2026

SAT — National

Late registration deadline

+76 more national tests this school year

State Assessments

March 23, 2027 – March 23, 2027

ACT with Writing — Test Window 1 - Standard Paper

Testing window

March 29, 2027 – April 23, 2027

ACT Aspire — Computer-Based

Testing window

March 29, 2027 – April 7, 2027

ACT Aspire — Paper-Based

Testing window

April 6, 2027 – April 6, 2027

ACT with Writing — Test Window 2 - Standard Paper

Testing window

See the full national test & school calendar

After San Luis High

Where graduates go and what they study

Popular Colleges

Arizona State University

Northern Arizona University

Arizona Western College

University of Arizona

Grand Canyon University

Arizona State University - West Campus

University of San Diego

University of California - Los Angeles

Popular Majors

Nursing

Psychology

Business

Criminal Justice and Law Enforcement Administration

Pre-Medicine Studies

Biology

Computer Science

Nursing Science, Education, and Practice

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ACT Prep

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1:1 Tutoring

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School Details

Address

1250 North Eighth Avenue, San Luis, AZ 85349

Phone

(928)502-6100

Website

Visit Website

District

Yuma Union High School District (4507)

Academic Calendar

2026-27

Important dates, holidays, and school events

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Other Schools in District

Yuma Online Distance Academy

Kofa High School