J O Combs Unified School District (4445)

43371 N Kenworthy Rd
San Tan Vly, AZ 85140
(District boundaries shown in map)
6/
10
Top 50%

Top Rankings

J O Combs Unified School District (4445) ranks among the top 20% of public school district in Arizona for:

Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 8 public elementary schools serving 2,703 students in J O Combs Unified School District (4445). This district's average elementary testing ranking is 4/10, which is in the bottom 50% of public elementary schools in Arizona.
Public Elementary Schools in J O Combs Unified School District (4445) have an average math proficiency score of 25% (versus the Arizona public elementary school average of 35%), and reading proficiency score of 30% (versus the 40% statewide average).
Minority enrollment is 53% of the student body (majority Hispanic), which is less than the Arizona public elementary school average of 67% (majority Hispanic).

Overview

This School District
This State (AZ)
# Schools
10 Schools
1,653 Schools
# Students
3,934 Students
757,604 Students
# Teachers
198 Teachers
44,292 Teachers
Student-Teacher Ratio
20:1
20:1

Student By Grade

District Rank

J O Combs Unified School District (4445), which is ranked within the bottom 50% of all 602 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 80% has decreased from 91% over five school years.
This School District
State Average (AZ)
#277 out of 618 school districts
(Top 50%)
27%
34%
33%
40%
22%
24%
80%
77%

Students by Ethnicity:

0.61
0.66
% American Indian
2%
5%
% Asian
1%
3%
% Hispanic
39%
48%
% Black
4%
6%
% White
49%
33%
% Hawaiian
1%
n/a
% Two or more races
4%
5%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $11,951 is higher than the state median of $11,551. The school district revenue/student has grown by 30% over four school years.
The school district's spending/student of $11,928 is higher than the state median of $11,452. The school district spending/student has grown by 11% over four school years.
This School District
This State (AZ)
Total Revenue
$47 MM
$12,837 MM
Spending
$47 MM
$12,727 MM
Revenue / Student
$11,951
$11,551
Spending / Student
$11,928
$11,452

Best J O Combs Unified School District (4445) Public Elementary Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Combs Traditional Academy
(Math: 55-59% | Reading: 45-49%)
Rank:
8/
10
Top 30%
38300 N Gantzel Rd
San Tan Valley, AZ 85140
(480) 987-5320
Gr: K-6 | 211 students Student-teacher ratio: 12:1 Minority enrollment: 56%
Rank: #22.
Jack Harmon Elementary School
(Math: 28% | Reading: 35%)
Rank:
6/
10
Top 50%
39315 N Cortona Dr
San Tan Valley, AZ 85140
(480) 882-3500
Gr: PK-6 | 382 students Student-teacher ratio: 18:1 Minority enrollment: 55%
Rank: #33.
Ranch Elementary School
(Math: 31% | Reading: 31%)
Rank:
5/
10
Bottom 50%
43521 N Kenworthy Rd
San Tan Valley, AZ 85140
(480) 882-3530
Gr: PK-6 | 509 students Student-teacher ratio: 24:1 Minority enrollment: 44%
Rank: #44.
Kathryn Sue Simonton Elementary School
(Math: 25% | Reading: 25%)
Rank:
4/
10
Bottom 50%
40300 N Simonton Blvd
San Tan Valley, AZ 85140
(480) 987-5330
Gr: PK-6 | 384 students Student-teacher ratio: 19:1 Minority enrollment: 50%
Rank: #55.
J. O. Combs Middle School
(Math: 21% | Reading: 28%)
Rank:
4/
10
Bottom 50%
37611 N Pecan Crk
San Tan Valley, AZ 85140
(480) 882-3510
Gr: K-8 | 581 students Student-teacher ratio: 20:1 Minority enrollment: 55%
Rank: #66.
Combs Online School For Success
(Math: ≤20% | Reading: ≤20%)
Rank:
3/
10
Bottom 50%
301 E Combs Rd
San Tan Valley, AZ 85140
(480) 987-6300
Gr: K-12 | 116 students Student-teacher ratio: 116:1 Minority enrollment: 50%
Rank: #77.
Ellsworth Elementary School
(Math: 15% | Reading: 25%)
Rank:
3/
10
Bottom 50%
38454 N Carolina Ave
San Tan Valley, AZ 85140
(480) 882-3520
Gr: PK-6 | 516 students Student-teacher ratio: 17:1 Minority enrollment: 59%
Rank: n/an/a
38300 N Gantzel Rd
San Tan Valley, AZ 85140
(480) 882-3540
Gr: 6-8 | 4 students Minority enrollment: 25%

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Quick Facts (2026)

  • District size: 10 schools
  • Grades: PK-12
  • Enrollment: 3,934 students
  • Student-Teacher Ratio: 20:1
  • Minority Enrollment: 51%
  • : 80% (Top 30% in AZ)
  • : Top 50%
  • : 27% (Top 50%)
  • : 33% (Btm 50%)
  • : 22% (Top 50%)
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

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