For the 2026 school year, there are 4 public preschools serving 1,836 students in 85140, AZ.
The top-ranked public preschools in 85140, AZ are Jack Harmon Elementary School, Ranch Elementary School and Kathryn Sue Simonton Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public preschools in zipcode 85140 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). Pre schools in 85140, AZ have an average ranking of 4/10, which is in the bottom 50% of Arizona public pre schools.
Minority enrollment is 51% of the student body (majority Hispanic), which is less than the Arizona public preschool average of 67% (majority Hispanic).
Best 85140, AZ Public Preschools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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: #22.
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: #33.
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: #44.
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%
85140, Arizona Public Schools (Closed)
School
Location
Quick Facts
41800 North Barnes Parkway
San Tan Valley, AZ 85140
(520) 413-9720
San Tan Valley, AZ 85140
(520) 413-9720
Gr: K-9 | 946 students Minority enrollment: 18%
Frequently Asked Questions
What are the top-ranked public preschools in 85140, AZ?
The top-ranked public preschools in 85140, AZ include Jack Harmon Elementary School, Ranch Elementary School and Kathryn Sue Simonton Elementary School.
How many public preschools are located in 85140?
4 public preschools are located in 85140.
What is the racial composition of students in 85140?
85140 public preschools minority enrollment is 51% of the student body (majority Hispanic), which is less than the Arizona public preschools average of 67% (majority Hispanic).
Recent Articles
Year-Round Schooling in 2026: Updated Parent Guide
Explore the latest 2026 data, trends, costs, and parent planning tips in the ongoing debate over year-round schooling vs the traditional calendar.
No Child Left Behind: Past, Present, and Future of U.S. School Policy
Explore how No Child Left Behind evolved into ESSA, what it means for 2025‑26 schooling, and what parents need to know about testing, admissions planning, and funding.
Understanding Public School Fees & Optional Costs Guide
Discover what public school fees are required versus optional, with 2026 updates for parents, students, and educators on budgeting and planning.