Casa Grande Union High School
🇺🇸 Official data · 2025Casa Grande, Arizona 85122 · Casa Grande Union High School District (4453)
#238 of 286 high schools in Arizona
#14688 of 16,910 nationally
About Casa Grande Union High School
Casa Grande Union High School is a public high located in Casa Grande, in the Casa Grande Union High School District (4453) school district of Arizona, United States. It caters for Grades 9–12. In 2025 it enrolled 1,912 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 23.4 out of 100, placing it in the lower 50% of high schools in United States and 238th of 286 ranked high schools in Arizona. Its strongest component is math proficiency (33th percentile), and its weakest is students per teacher (10th percentile).
Other published figures: enrollment 1,912.
There are 21 schools in Casa Grande; Casa Grande Union High School ranks 10th of 20 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)29%
- Reading proficiency (30%)34%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)22.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Casa Grande Union High School by the official sources.
- Enrollment
- 1,912
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 22.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 34%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 29%
- Share of tested students proficient or above (all students, all grades).
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Schools near Casa Grande Union High School
Closest schools by straight-line distance, with their Success Index (US).
McCartney Ranch Elementary School
Casa Grande · Public elementary · Grades PK–8
668 students · 969 m away
Villago Middle School
Casa Grande · Public middle · Grades 6–8
723 students · 1.1 km away
Early Childhood Learning Center
Casa Grande · Public other · Grades PK–PK
120 students · 1.3 km away
Cholla Elementary School
Casa Grande · Public elementary · Grades PK–8
458 students · 2.9 km away
Cactus Middle School
Casa Grande · Public middle · Grades 6–8
737 students · 3.0 km away
Desert Willow Elementary School
Casa Grande · Public elementary · Grades PK–8
505 students · 3.3 km away
Legacy Traditional School - Casa Grande
Casa Grande · Charter elementary · Grades K–8
1,486 students · 3.9 km away
Cottonwood Elementary School
Casa Grande · Public elementary · Grades PK–8
515 students · 4.5 km away
Mission Heights Preparatory High School
Casa Grande · Charter high · Grades 9–12
551 students · 4.7 km away
Ironwood School
Casa Grande · Public elementary · Grades PK–8
481 students · 5.0 km away
Similar schools
Public high schools in Arizona with a comparable Enrollment.
Sierra Linda High School
Tolleson · Public high · Grades 9–12
1,911 students
Independence High School
Glendale · Public high · Grades 9–12
1,907 students
Desert Mountain High School
Scottsdale · Public high · Grades 9–12
1,905 students
Willow Canyon High School
Surprise · Public high · Grades 7–12
1,901 students
Paradise Valley High School
Phoenix · Public high · Grades 7–12
1,900 students
Sunrise Mountain High School
Peoria · Public high · Grades 7–12
1,896 students
Frequently asked questions
Is Casa Grande Union High School a good school?
Casa Grande Union High School has a Success Index (US) of 23.4 out of 100 (Lower 50% of high schools in United States) and ranks #238 of 286 in Arizona. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Casa Grande Union High School rank in Arizona?
Casa Grande Union High School ranks #238 of 286 high schools in Arizona and #14688 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Casa Grande Union High School?
Casa Grande Union High School had 1,912 students in 2025.
Is Casa Grande Union High School a elementary school or a high school?
Casa Grande Union High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Casa Grande Union High School?
There are 10 schools within 15 km of Casa Grande Union High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.