Poston Butte High School

High school·Grades 7-12 San Tan Valley, Arizona·85143
Score
41.3/100
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#129
Among 219 Arizona high schools
#1
In Florence Unified School District (4437)
#3
In San Tan Valley
Top 59%
In Arizona

Score 41.3/100: better than 41% of Arizona high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% passing on state tests in Arizona, all students. Colored bars are green when the school is at or above the average for similar Arizona schools.

English language arts
31%
Similar Arizona schools ≈ 43%, better than 31% of them
293 students tested
Math
22%
Similar Arizona schools ≈ 33%, better than 40% of them
298 students tested
Science
22%
Similar Arizona schools ≈ 21%, better than 58% of them
301 students tested
All Arizona schools (ELA / math)
41% / 34%
State average across every school type, 2024-25
All 6 published results by grade and test

As published by Arizona Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11AASA/ACT/MSAA31293
English language artsAll gradesAASA/ACT/MSAA31293
MathGrade 11AASA/ACT/MSAA22298
MathAll gradesAASA/ACT/MSAA22298
ScienceGrade 11AzSCI22301
ScienceAll gradesAzSCI22301

School profile

Grades
7-12
Students
1,423
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,423
Typical high school: 61
Free or reduced-price lunch
—
Not reported to the federal data

District and location

Contact

Address
32375 N GANTZEL RD
San Tan Valley, AZ 85143

"Typical" is the middle (median) high school in Arizona. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Poston Butte High School at a glance

Poston Butte High School is a public high school in San Tan Valley, Arizona, serving grades 7-12. It is part of Florence Unified School District (4437). It has about 1,423 students (a typical Arizona high school has 61).

In 2024-25 state tests, 31% in English language arts (similar schools: 43%) and 22% in math (similar schools: 33%) reached the state standard (% passing). On our score, which compares it only with other Arizona high schools, it scores 41.3 out of 100: better than 41% of them, ranking #129 of 219. Its English language arts result rose by 6 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.