Casa Grande Union High School

Located at 2730 N TREKELL RD, in CASA GRANDE, Arizona, Casa Grande Union High School is a substantial senior high that educates 1,912 students (grades 9 through 12), operated by Casa Grande Union High School District (4453). Compared to the state average of about 631 students per school, that is 203% above typical.

Casa Grande Union High School District (4453) runs 3 schools in total, collectively educating 3,938 students. Casa Grande Union High School is one of those campuses.

For racial and ethnic makeup, Casa Grande Union High School lists that the largest single group is Hispanic, at 60% of enrollment. The remainder reads as 20% White, 9% Native American, 6% multiracial, 4% Black. That is considerably more Hispanic than the county at large, where the share is closer to 30%.

On the income-and-resources front, The school currently runs with 87 full-time-equivalent teachers, for a student-teacher ratio near 22.0:1. Statewide, the average ratio sits near 20.2:1, putting Casa Grande Union High School higher than the state norm the norm.

Across the wider county, community-level numbers for Pinal County indicate median household earnings sit near $80,266, 23% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 8%. Across Pinal County's 155 public schools (combined enrollment of about 63,837 students), Casa Grande Union High School is one campus in the mix.

The closest other public school is Pinnacle High School - Casa Grande, roughly 0.6 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius.

The school occupies a city-core site.

Looking at the recent track record. Looking back 7 years, enrollment at Casa Grande Union High School has ticked up 8%, going from 1,777 students in 2018 to 1,912 in 2025. Over the same period, the White share edged down from 26% to 20%. The student-to-teacher ratio tightened from 24.2:1 in 2018 to 22.0:1 today.

In the discussion threads here, members of the Casa Grande Union High School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.