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
Enrollment
2,586
Student-Teacher
25.4:1
Score
5.5
Grades
9th – 12th
Updated
2022-23
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
Synthesized from public, attributable sources. Updated April 2026.
Sources (2)
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 metricsView breakdown
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San Luis High School — Students at San Luis High School score 22% proficient, which is below what's typical for similar communities (expected: 36%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.2%
Students qualifying for federal meal assistance
Test Scores AZ EDFACTS (2021-22)
Based on 6 test records from AZ state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Performance Trends
Math proficiency has improved from 17% (2019) to 24% (2022). Reading/ELA proficiency has improved from 17% (2019) to 20% (2022).
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.
Neighborhood Context
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
- Phone
- (928) 502-6100
- Data Year
- 2023–2024
Resources & Links
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
Other Schools in This District
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 methodologyRelated reading
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