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Average

#1437 of 2,000 schools in AZ

San Luis High School

High School · Yuma Union High School District (4507)

PO BOX 7380, San Luis, AZ 85349

Enrollment

2,586

Student-Teacher

25.4:1

Score

5.5

Grades

9th – 12th

Updated 2022-23

How this school compares

In San Luis

#7 of 9

public schools

Arizona high schools

#312 of 429

In district

#4 of 7

Yuma Union High School District (4507)

Academic growth

9.5 / 10

Exceptional

About San Luis High School

San Luis High School serves 2,586 students in grades 9-12 in the border community of San Luis, Arizona. With 102 full-time equivalent teachers, the school maintains a student-teacher ratio of 25.4:1, providing a large high school experience in Yuma County. The school is working to strengthen academic outcomes, with current proficiency rates of 20% in English Language Arts and 24% in mathematics.

These results reflect opportunities for growth as the school focuses on supporting its diverse student population. San Luis High School ranks in the 15th percentile statewide, positioning it among schools with significant room for academic development. The school draws from a community where the median household income is $46,801 and median home values average $167,100.

With 8% of residents holding bachelor's degrees or higher and a poverty rate of 23.2%, the school serves families facing various socioeconomic challenges. The ZIP code area is home to 26,190 residents, creating a substantial community presence. San Luis High School operates as a regular public school in a rural setting near town, serving this unique Arizona border community where students and families work together toward educational advancement in an area rich with cultural diversity and close-knit community connections.

What's said publicly about San Luis High School

Sources: School's website Wikipedia

Synthesized from public, attributable sources. Updated April 2026.

San Luis High School (SLHS) is a high school located in San Luis, Arizona, United States 2 . The institution opened in 2002 and operates as part of the Yuma Union High School District 2 . The school's mascot is the sidewinder 2 .
Sources (2)
  1. yumaunion.com
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

San Luis High School is a large school with 2,586 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at San Luis High School is 25.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Located in a rural area, San Luis High School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+1.3 pts/yr
Data Period2019–2022
TrendImproving
Academics4.6Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency24%
Reading/ELA Proficiency20%
Overall Proficiency22%
Expected (poverty-adj.)36%
vs. Expected-14.3 pts
Adjusted Percentile27th
College Readiness4.1Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation15.7%
IB ProgramNo
Resources & Environment3.6Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio25.4:1
Per-Pupil Spending$9,544

San Luis High School — Students at San Luis High School score 22% proficient, which is below what's typical for similar communities (expected: 36%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0.2%

Students qualifying for federal meal assistance

Test Scores AZ EDFACTS (2021-22)

Math Proficiency 17.7%
School
State
N/A
ELA Proficiency 16.3%
School
State
N/A

Based on 6 test records from AZ state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
17%
ELA
17%
2021*
Math
12%
ELA
12%
2022
Math
24%
ELA
20%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How San Luis High School Compares

See how San Luis High School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.5/10
28th percentile in AZ
Academic
4.6/10
4.6/10
Growth
9.5/10
Above average
Environment
3.6/10
Below average

Location

PO BOX 7380, San Luis, AZ 85349

Nearby Alternatives

Families considering San Luis High School may also want to explore other high schools in the area. PPEP TEC - Jose Yepez Learning Center (rated 6.1/10, 7.5 miles away, in nearby Tucson), which scores slightly higher. Additionally, PPEP TEC - Cesar Chavez Learning Center (rated 4.8/10, 1.3 miles away, in nearby Tucson), with a comparable rating. For more schools in San Luis, see our San Luis schools guide .

Nearby Schools

20 within 8.6 mi
School Distance Rating
STEDY- San Luis HS Satellite Yuma 0.0 mi
Southwest Jr. High School San Luis 0.4 mi 7.0
Ed Pastor Elementary 4 San Luis 0.5 mi 6.6
Cesar Chavez Elementary San Luis 0.6 mi 4.3
Desert View Elementary San Luis 0.6 mi 5.8
Harvest Preparatory Academy San Luis AZ Yuma 0.7 mi 4.3
Arizona Desert Elementary School San Luis 1.1 mi 5.0
San Luis Pre-School San Luis 1.1 mi 5.5
Rio Colorado Elementary School San Luis 1.1 mi 6.2
San Luis Middle School San Luis 1.1 mi 6.5
PPEP TEC - Cesar Chavez Learning Center Tucson 1.3 mi 4.8
Sun Valley Elementary School Somerton 2.8 mi 6.2
Gadsden Elementary School San Luis 3.9 mi 6.9
Tierra Del Sol Elementary School Somerton 6.8 mi 4.8
Bravie T. Soto Elementary School Somerton 7.0 mi 6.2
Encanto Learning Center Somerton 7.3 mi 6.7
Desert Sonora Elementary School Somerton 7.3 mi 7.7
PPEP TEC - Jose Yepez Learning Center Tucson 7.5 mi 6.1
Somerton Middle School Somerton 7.8 mi 6.6
Orange Grove Elementary School Somerton 8.6 mi 6.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 85349 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$55,717

Median Home Value

$196,800

Median Rent

$698/mo

Population

28,810

College Educated

7.9%

Homeownership

71.8%

Avg Commute

28.3 min

Poverty Rate

20.7%

Median Age

33.7

Community Profile

The community surrounding San Luis High School has a median household income of $55,717. It is a community where 8% of adults hold a bachelor's degree or higher. The median home value in the area is $196,800, with a median rent of $698/month. The area has a poverty rate of 20.7%, indicating some economic challenges in the community. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Apollo High School Glendale, AZ 5.5
Deer Valley High School Glendale, AZ 5.5
Gila Ridge High School Yuma, AZ 5.5
Agua Fria High School Avondale, AZ 5.6
Glendale High School Glendale, AZ 5.4
Independence High School Glendale, AZ 5.4

Frequently Asked Questions

Common questions about San Luis High School

What grades does San Luis High School serve?

San Luis High School serves students in grades 9th through 12th.

How many students attend San Luis High School?

San Luis High School has an enrollment of approximately 2,586 students.

What is the student-teacher ratio at San Luis High School?

The student-teacher ratio at San Luis High School is 25.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does San Luis High School rank in AZ?

San Luis High School is ranked #1437 out of 2,000 schools in AZ.

What is San Luis High School's MySchoolScout rating?

San Luis High School has a composite rating of 5.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at San Luis High School?

Based on the most recent state assessment data, San Luis High School has 17.7% math proficiency and 16.3% reading/ELA proficiency.

Is San Luis High School a charter school?

No, San Luis High School is not a charter school. It is a traditional public school operated by the local school district.

Is San Luis High School a Title I school?

No, San Luis High School is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

Walk Score
5 Car-Dependent
Bike Score
27 Somewhat Bikeable
City Safety
Average (639/100K)

Powered by Walk Score

FBI UCR 2024. City-level (San Luis). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,586
Student-Teacher Ratio
25.4:1
Teachers (FTE)
102
Type
regular
Setting
Fringe Rural
County
Yuma County
Data Year
2023–2024

District

Yuma Union High School District (4507)
District Enrollment
11,369
Schools in District
8
Per-Pupil Spending
$10,302
District Rank
#4 of 7

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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