San Tan Valley’s public schools outscore 54% of Arizona districts
In San Tan Valley, 89% of each class finishes high school in four years, above the Arizona average (78%). The grade covers the two public school districts serving San Tan Valley, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within Arizona, not nationally.
From Arizona state tests taken in spring 2022, when 97% of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.
San Tan Valley’s schools, in brief
Against towns with similar incomes
Among the 85 Arizona towns with household incomes within a quarter of San Tan Valley’s, its schools beat 41%, lower than their 54% against all the state’s districts. The grade ↓
Results trail the state
In spring 2022, 30% of tested students were proficient in reading and 23% in math, against 40% and 35% statewide; 97% of students in the tested grades sat the tests. The grade ↓
Graduation
89% of the class of 2023 graduated in four years, against 78% across Arizona. Districts ↓
Charters enroll a large share of students
Charter schools located in San Tan Valley enroll 4,496 students, against the district’s 8,731. Each is graded on its own results; none is part of the district grade. Every school ↓
Spending and class size
Florence Unified spends $11,126 per student and J. O. Combs Unified $10,266, against $12,318 across Arizona (FY2024). Neither counts toward the grade. Districts ↓
Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
What’s behind San Tan Valley’s grade
B−: better than 54% of Arizona school districts, #79 of 139 Arizona towns. Graduation is above the Arizona average; test scores are below it.
Where will my kid go?
Pick a grade. These are the public schools that serve San Tan Valley, with each school’s own grade.
9th grade in San Tan Valley · depends on your address
Poston Butte High School
Grades 7–12 · 1,310 students · 19:1 students per teacher
Combs High School
Grades 8–12 · 1,182 students · 22:1 students per teacher
San Tan Foothills High School
Grades 7–12 · 793 students · 18:1 students per teacher · in Queen Creek
10th grade in San Tan Valley · depends on your address
Poston Butte High School
Grades 7–12 · 1,310 students · 19:1 students per teacher
Combs High School
Grades 8–12 · 1,182 students · 22:1 students per teacher
San Tan Foothills High School
Grades 7–12 · 793 students · 18:1 students per teacher · in Queen Creek
11th grade in San Tan Valley · depends on your address
Poston Butte High School
Grades 7–12 · 1,310 students · 19:1 students per teacher
Combs High School
Grades 8–12 · 1,182 students · 22:1 students per teacher
San Tan Foothills High School
Grades 7–12 · 793 students · 18:1 students per teacher · in Queen Creek
12th grade in San Tan Valley · depends on your address
Poston Butte High School
Grades 7–12 · 1,310 students · 19:1 students per teacher
Combs High School
Grades 8–12 · 1,182 students · 22:1 students per teacher
San Tan Foothills High School
Grades 7–12 · 793 students · 18:1 students per teacher · in Queen Creek
San Tan Valley runs its own schools through grade 12 (Florence Unified School District). From grade PK, students attend the J. O. Combs Unified School District, shared with Queen Creek. To confirm the school for a specific address, ask the district.
Two districts serve San Tan Valley
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Well below the state in reading
San Tan Valley vs. its neighbors
Schools grades for the Arizona towns that share San Tan Valley’s borders.
| Town | Schools | Main districts |
|---|---|---|
| San Tan Valley | B− | Florence Unified PK–12 · J. O. Combs Unified PK–12 |
| Queen Creek | A− | Queen Creek Unified District PK–12 · J. O. Combs Unified PK–12 |
| Florence | B− | Florence Unified |
Every school in San Tan Valley
27 schools. Each public school’s letter compares its own 2020–21 reading and math results with Arizona’s other public schools (the newest school-level results we have).
Left off: 3 public programs with fewer than 25 students (CAVIT - San Tan Foothills High School, CAVIT - Poston Butte High School and EVIT - Combs High School).
Questions about San Tan Valley’s schools
Are San Tan Valley’s schools good?
They sit near the middle of Arizona: the public schools San Tan Valley children attend outscore 54% of Arizona’s school districts on tests and graduation, a B− Schools grade, #79 of 139 Arizona towns. Among towns with similar incomes they beat 41%. Tests are from 2021–22, graduation from the class of 2023.
What school district is San Tan Valley in?
Two districts: Florence Unified School District runs grades PK–12, and J. O. Combs Unified School District runs grades PK–12, shared with Queen Creek.
Where do San Tan Valley kids go to high school?
One of 3 high schools, depending on your address: Poston Butte High School, Combs High School and San Tan Foothills High School.
What is San Tan Valley’s graduation rate?
89% of the class of 2023 in Florence Unified School District graduated in four years, against 78% across Arizona.
How much does San Tan Valley spend per student?
$11,126 in Florence Unified School District and $10,266 in J. O. Combs Unified School District (FY2024), against $12,318 across Arizona. Spending doesn’t count toward the grade.
Parents talk
What San Tan Valley families are saying about school.
Looking for colleges? Colleges near San Tan Valley → They have their own page.
School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within Arizona. Stars are from neighbors.