Average
#1302 of 2,000 schools in AZ
Casa Grande Union High School
High School · Casa Grande Union High School District (4453)
2730 N TREKELL RD, Casa Grande, AZ 85122
Enrollment
1,970
Student-Teacher
21.6:1
Score
5.7
Grades
9th – 12th
Enrollment
1,970
Student-Teacher
21.6:1
Score
5.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Casa Grande
#6 of 15
public schools
Arizona high schools
#282 of 429
In district
#1 of 2
Casa Grande Union High School District (4453)
Academic growth
9.5 / 10
Exceptional
About Casa Grande Union High School
Casa Grande Union High School serves 1,970 students in grades 9-12 in Casa Grande, Arizona, operating with a student-teacher ratio of 21.6:1 and 91 full-time equivalent teachers. This regular public high school holds a MySchoolScout rating of 5.9 out of 10 and ranks 871st out of 2,029 Arizona high schools, placing it in the 57th percentile statewide. Academically, the school shows room for growth, with 39% of students achieving proficiency or above in English Language Arts and 35% meeting proficiency standards in mathematics.
The academic score of 6.4 out of 10 reflects the school's focus on supporting student development across all achievement levels. Casa Grande Union High School is situated in the 85122 ZIP code area, where the median household income is $62,944 and median home values are $203,900. The surrounding community of 55,919 residents includes 19% of adults with bachelor's degrees or higher, with a poverty rate of 15.3%.
The school operates within a small city setting in Pinal County, serving families in a growing Arizona community that balances suburban development with the character of a smaller metropolitan area.
What Parents Should Know
The student-teacher ratio at Casa Grande Union High School is 21.6:1, 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.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Casa Grande Union High School — Students at Casa Grande Union High School score 37% proficient, which is below what's typical for similar communities (expected: 37%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.1%
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 Casa Grande Union High School Compares
See how Casa Grande Union High School performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has improved from 29% (2019) to 35% (2022). Reading/ELA proficiency has improved from 34% (2019) to 39% (2022).
Location
2730 N TREKELL RD, Casa Grande, AZ 85122
Nearby Alternatives
Families considering Casa Grande Union High School may also want to explore other high schools in the area. Mission Heights Preparatory High School (rated 6.5/10, 2.9 miles away, in nearby Phoenix), which scores slightly higher. Another option is PPEP TEC - Alice S. Paul Learning Center (rated 5.4/10, 3.6 miles away, in nearby Tucson), with a very similar rating. Additionally, Vista Grande High School (rated 5.1/10, 3.3 miles away), with a comparable rating. For more schools in Casa Grande, see our Casa Grande schools guide .
Nearby Schools
20 within 3.8 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 85122 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$64,243
Median Home Value
$242,500
Median Rent
$1,289/mo
Population
58,328
College Educated
19.4%
Homeownership
69.2%
Avg Commute
23.4 min
Poverty Rate
14.9%
Median Age
36.4
Community Profile
The community surrounding Casa Grande Union High School has a median household income of $64,243. It is a community where 19% of adults hold a bachelor's degree or higher. The median home value in the area is $242,500, with a median rent of $1,289/month. The area has a poverty rate of 14.9%. The average commute for residents is 23 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 |
|---|---|
| Lake Havasu High School Lake Havasu City, AZ | 5.7 |
| Sahuaro High School Tucson, AZ | 5.7 |
| Westview High School Avondale, AZ | 5.7 |
| Eastmark High School Mesa, AZ | 5.8 |
| Sunrise Mountain High School Peoria, AZ | 5.8 |
| Valley Vista High School Surprise, AZ | 5.8 |
Frequently Asked Questions
Common questions about Casa Grande Union High School
What grades does Casa Grande Union High School serve?
Casa Grande Union High School serves students in grades 9th through 12th.
How many students attend Casa Grande Union High School?
Casa Grande Union High School has an enrollment of approximately 1,970 students.
What is the student-teacher ratio at Casa Grande Union High School?
The student-teacher ratio at Casa Grande Union High School is 21.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Casa Grande Union High School rank in AZ?
Casa Grande Union High School is ranked #1302 out of 2,000 schools in AZ.
What is Casa Grande Union High School's MySchoolScout rating?
Casa Grande Union High School has a composite rating of 5.7 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 Casa Grande Union High School?
Based on the most recent state assessment data, Casa Grande Union High School has 27.3% math proficiency and 32.7% reading/ELA proficiency.
Is Casa Grande Union High School a charter school?
No, Casa Grande Union High School is not a charter school. It is a traditional public school operated by the local school district.
Is Casa Grande Union High School a Title I school?
No, Casa Grande Union High School is not currently a Title I school.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Casa Grande). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,970
- Student-Teacher Ratio
- 21.6:1
- Teachers (FTE)
- 91
- Type
- regular
- Setting
- Small City
- County
- Pinal County
- Phone
- (520) 836-8500
- Data Year
- 2023–2024
Resources & Links
District
Casa Grande Union High School District (4453)- District Enrollment
- 3,957
- Schools in District
- 3
- Per-Pupil Spending
- $11,543
- District Rank
- #1 of 2
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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