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 2,747 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 52% 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
1,642 Schools
# Students
4,052 Students
760,671 Students
# Teachers
211 Teachers
33,869 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 601 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.
Overall District Rank
#277 out of 618 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
27%
34%
Reading/Language Arts Test Scores (% Proficient)
33%
40%
Science Test Scores (% Proficient)
22%
24%
Graduation Rate
80%
77%
Students by Ethnicity:
Diversity Score
0.60
0.66
% American Indian
2%
5%
% Asian
1%
4%
% Hispanic
38%
47%
% 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 $11,427. The school district revenue/student has grown by 26% over four school years.
The school district's spending/student of $11,580 is higher than the state median of $11,329. The school district spending/student has grown by 8% over four school years.
Total Revenue
$47 MM
$12,837 MM
Spending
$47 MM
$12,727 MM
Revenue / Student
$11,603
$11,427
Spending / Student
$11,580
$11,329
Best J O Combs Unified School District (4445) Public Elementary Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Combs Traditional Academy
(Math: 55-59% | Reading: 45-49%)
Rank:
Rank:
8/
Top 30%10
38300 N Gantzel Rd
San Tan Valley, AZ 85140
(480) 987-5320
San Tan Valley, AZ 85140
(480) 987-5320
Gr: K-6 | 204 students Student-teacher ratio: 17:1 Minority enrollment: 54%
Rank: #22.
Jack Harmon Elementary School
(Math: 28% | Reading: 35%)
Rank:
Rank:
6/
Top 50%10
39315 N Cortona Dr
San Tan Valley, AZ 85140
(480) 882-3500
San Tan Valley, AZ 85140
(480) 882-3500
Gr: PK-6 | 385 students Student-teacher ratio: 18:1 Minority enrollment: 55%
Rank: #33.
Ranch Elementary School
(Math: 31% | Reading: 31%)
Rank:
Rank:
5/
Bottom 50%10
43521 N Kenworthy Rd
San Tan Valley, AZ 85140
(480) 882-3530
San Tan Valley, AZ 85140
(480) 882-3530
Gr: PK-6 | 511 students Student-teacher ratio: 21:1 Minority enrollment: 46%
Rank: #44.
Kathryn Sue Simonton Elementary School
(Math: 25% | Reading: 25%)
Rank:
Rank:
4/
Bottom 50%10
40300 N Simonton Blvd
San Tan Valley, AZ 85140
(480) 987-5330
San Tan Valley, AZ 85140
(480) 987-5330
Gr: PK-6 | 381 students Student-teacher ratio: 16:1 Minority enrollment: 46%
Rank: #55.
J. O. Combs Middle School
(Math: 21% | Reading: 28%)
Rank:
Rank:
4/
Bottom 50%10
37611 N Pecan Crk
San Tan Valley, AZ 85140
(480) 882-3510
San Tan Valley, AZ 85140
(480) 882-3510
Gr: K-8 | 596 students Student-teacher ratio: 20:1 Minority enrollment: 51%
Rank: #66.
Combs Online School For Success
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
301 E Combs Rd
San Tan Valley, AZ 85140
(480) 987-6300
San Tan Valley, AZ 85140
(480) 987-6300
Gr: K-12 | 110 students Student-teacher ratio: 22:1 Minority enrollment: 54%
Rank: #77.
Ellsworth Elementary School
(Math: 15% | Reading: 25%)
Rank:
Rank:
3/
Bottom 50%10
38454 N Carolina Ave
San Tan Valley, AZ 85140
(480) 882-3520
San Tan Valley, AZ 85140
(480) 882-3520
Gr: PK-6 | 559 students Student-teacher ratio: 17:1 Minority enrollment: 57%
Rank: n/an/a
38300 N Gantzel Rd
San Tan Valley, AZ 85140
(480) 882-3540
San Tan Valley, AZ 85140
(480) 882-3540
Gr: 6-8 | 1 student
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