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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 2025-26 school year, there are 4 public preschools serving 1,836 students in J O Combs Unified School District (4445). This district's average pre testing ranking is 5/10, which is in the bottom 50% of public pre schools in Arizona.
Public Preschools in J O Combs Unified School District (4445) have an average math proficiency score of 24% (versus the Arizona public pre school average of 36%), and reading proficiency score of 29% (versus the 40% statewide average).
Minority enrollment is 51% of the student body (majority Hispanic), which is less than the Arizona public preschool average of 67% (majority Hispanic).

Overview

This School District
This State (AZ)
# Schools
10 Schools
840 Schools
# Students
4,052 Students
395,381 Students
# Teachers
211 Teachers
23,848 Teachers
Student-Teacher Ratio
19:1
19:1

Student By Grade

District Rank

J O Combs Unified School District (4445), which is ranked within the bottom 50% of all 603 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:

0.60
0.64
% American Indian
2%
4%
% Asian
1%
3%
% Hispanic
38%
49%
% Black
4%
6%
% White
50%
33%
% Hawaiian
1%
n/a
% Two or more races
4%
5%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $11,603 is higher than the state median of $11,421. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $11,580 is higher than the state median of $11,323. The school district spending/student has stayed relatively flat 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
$11,603
$11,421
Spending / Student
$11,580
$11,323

Best J O Combs Unified School District (4445) Public Preschools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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 | 385 students Student-teacher ratio: 18:1 Minority enrollment: 55%
Rank: #22.
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 | 511 students Student-teacher ratio: 21:1 Minority enrollment: 46%
Rank: #33.
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 | 381 students Student-teacher ratio: 16:1 Minority enrollment: 46%
Rank: #44.
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 | 559 students Student-teacher ratio: 17:1 Minority enrollment: 57%

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Quick Facts (2025-26)

  • District size: 10 schools
  • Grades: PK-12
  • Enrollment: 4,052 students
  • Student-Teacher Ratio: 19:1
  • Minority Enrollment: 50%
  • : 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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