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Poston Butte High School
PublicHighGrades 7–12
32375 N Gantzel Rd, San Tan Valley, AZ 85143 · (480) 474-6100 · Part of Florence Unified School District
Students
1,310
Students per teacher
19:1
Setting
Rural
Grades
7–12
What stands out about Poston Butte High School
- Math proficiency 16 pts below the state
- Reading / language arts 17 pts below the state
- Enrollment down 10.7% since 2020
- Next stop for Cactus Forest kids: 3 high schools
On the path
Where Cactus Forest kids come from and go next.
PK–98 schoolsDepends on your address
7–12Poston Butte High SchoolYou are here
123 high schoolsDepends on your address
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency15%
State average 31.2%
Reading / language arts22%
State average 38.5%
Location
Directions ↗
32375 N Gantzel Rd, San Tan Valley
Students
Enrollment by grade
Grade 9319
Grade 10361
Grade 11320
Grade 12310
Enrollment over time
1,467’20
1,434’21
1,393’22
1,423’23
1,310’24
Down 10.7% since 2020.
Who goes here
Hispanic 44%White 40%Black 8%Two or more races 4%American Indian/Alaska Native 2%Asian 1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Poston Butte High School.
Other schools in Florence Unified School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.