Enrollment
1,912
Arizona · 2024-25 NCES data
High school (grades 9-12) · Casa Grande, AZ
Casa Grande Union High School
Federal NCES profile for Casa Grande Union High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040174000113
👥 S:T ratio 11
📚 AP courses 20
🌟 Gifted program 30
🎓 Counselors 24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Casa Grande Union High School earns 21/100 on the Resource Investment Index, with class sizes larger than 87% of Arizona schools. It is also one of the largest schools in Arizona.
- #6 of 7
- high schools in Casa Grande · Resource Index
- 21
- Resource Index · Lower
- 22.2:1
- large classes for Arizona
- 44.0%
- free-lunch eligible
Casa Grande Union High School has class sizes larger than 87% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Casa Grande Union High School ranks #6 of 7 high schools in Casa Grande, AZ.
School address
District: Casa Grande Union High School District (4453) · Arizona
NCES ID 040174000113 Verify on NCES CCD record →
Teachers (FTE)
86.0
Federal CCD staff survey
Students per teacher
22.2:1
vs 17:1 Arizona avg
+31% vs state
Free-lunch eligible
44.0%
vs 48.3% Arizona avg
-9% vs state
Student-teacher ratio in context
How Casa Grande Union High School compares with Arizona and U.S. medians
What stands out at Casa Grande Union High School
Casa Grande Union High School is a large high school in Casa Grande, Arizona, enrolling 1,912 students.
Class loads run heavy: 22.2:1 is larger than about 87% of Arizona schools and 31% above the 17:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 44.0% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Arizona, bigger than 97% of state schools at 1,912 students.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 53 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #39, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (60%) and White (20%) (diversity index 58/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 382 students sharing each counselor, though short of the most stretched campuses.
The surrounding Casa Grande Union High School District (4453) spends $10,261 per pupil, 22% below the Arizona average, a leaner-resourced district than most.
Casa Grande Union High School District (4453) also operates Vista Grande High School (1,943 students) and Inova (80 students) alongside Casa Grande Union High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Casa Grande Union High School compares
Casa Grande Union High School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.2:1 | ▲ 31% | 17:1 | 15.7:1 |
| Free-lunch eligible | 44.0% | ▼ 9% | 48.3% | 51.7% |
| Enrollment | 1,912 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.2:1
Leaner classes than 10% of US schools, heavier class loads than most.
1,912
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
44.0%
free-lunch eligible
- 9% below the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.2:1
students per teacher
- 31% above state mean
Top 87% in Arizona - lower ratio than 13% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$10,261
per pupil, district-wide
- below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 382 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 65 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 4.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 60.3%
White 19.9%
American Indian / Alaska Native 8.9%
Two or More 6.2%
African American 4.0%
Asian 0.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 60.3% of enrollment.
Student-body diversity index 58.3/100
Simpson diversity index - at 58.3, Casa Grande Union High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 4
Funding & spending
District-wide per-pupil expenditure for Casa Grande Union High School District (4453), which includes Casa Grande Union High School.
$10,261
Per student
-22%
vs Arizona
Avg $13,145
-38%
vs U.S.
Avg $16,593
Revenue mix
Local 42.6%
State 43.3%
Federal 14.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Casa Grande Union High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Vista Grande High School | Similar size | Similar economic need | Higher S:T ratio |
| Inova | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Casa Grande Union High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,943
- Students per teacher
- 24:1
- Resource Index
- 14/100
- Enrollment
- 80
- Students per teacher
- 40:1
- Resource Index
- 38/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,912 students)
Similar student-teacher ratio (~22.2:1)
Next steps
Verify locally before acting on Casa Grande Union High School's federal record.
- Compare Casa Grande Union High School against another school. Compare schools
- Casa Grande Union High School District (4453)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Casa Grande Union High School
How many students attend Casa Grande Union High School?
Casa Grande Union High School has 1,912 students enrolled. It is a high school in Casa Grande, AZ.
What is the student-teacher ratio at Casa Grande Union High School?
The student-teacher ratio at Casa Grande Union High School is 22.2:1, which is 31% higher than the Arizona average of 17:1 and 41% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Casa Grande Union High School?
44.0% of students at Casa Grande Union High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Casa Grande Union High School?
The largest demographic group at Casa Grande Union High School is Hispanic or Latino at 60.3% of enrollment, in Casa Grande, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.3/100.
What is the Resource Investment Index for Casa Grande Union High School?
Casa Grande Union High School has a Resource Investment Index of 21/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Casa Grande Union High School rank among high schools in Casa Grande?
By Resource Investment Index, Casa Grande Union High School ranks #6 of 7 high schools in Casa Grande, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Casa Grande on the city page.
Is Casa Grande Union High School a good school?
Casa Grande Union High School earns 21/100 on the Resource Investment Index, with class sizes larger than 87% of Arizona schools. It is also one of the largest schools in Arizona. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Casa Grande Union High School District (4453)?
Besides Casa Grande Union High School, Casa Grande Union High School District (4453) also operates Vista Grande High School (1,943 students) and Inova (80 students). See the Casa Grande Union High School District (4453) district page for the complete list.
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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.