The most improved public preschools in California are Ellerhorst Elementary School, Meiners Oaks Elementary School and Temecula Valley Charter.
A school's improvement is based on a its total rise in ranking spots during the last five years (2020-25).
Improved Rank Range:
1,581
Avg. Improved Rank: 191
Most Improved Public Preschools in California (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Ranking Change (2020-25)
Grades
Location
Rank: #11.
Ellerhorst Elementary School
(Math: 35-39% | Reading: 35-39%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +-1041
(from 3,328 to 4,369)
(from 3,328 to 4,369)
Grades: PK-6
3501 Pinole Valley Rd.
Pinole, CA 94564
(510) 231-1426
Pinole, CA 94564
(510) 231-1426
Rank: #22.
Meiners Oaks Elementary School
(Math: 15-19% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +-3161
(from 2,828 to 5,989)
(from 2,828 to 5,989)
Grades: K
400 South Lomita Ave.
Ojai, CA 93023
(805) 640-4378
Ojai, CA 93023
(805) 640-4378
Rank: #3 - 113. - 11.
Temecula Valley Charter
Charter School
(Math: 39% | Reading: 65%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +
(from 2,344 to 2,344)
(from 2,344 to 2,344)
Grades: PK-8
35755 Abelia St.
Winchester, CA 92596
(951) 294-6775
Winchester, CA 92596
(951) 294-6775
Rank: #3 - 113. - 11.
California Virtual San Mateo
Charter School
(Math: 35% | Reading: 58%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +
(from 3,012 to 3,012)
(from 3,012 to 3,012)
Grades: PK-12
50 Moreland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
California Virtual @ Sonoma
Charter School
(Math: 27% | Reading: 51%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +
(from 3,987 to 3,987)
(from 3,987 to 3,987)
Grades: PK-12
50 Morland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
California Virtual @ San Diego
Charter School
(Math: 27% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +
(from 4,224 to 4,224)
(from 4,224 to 4,224)
Grades: PK-12
50 Moreland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
California Virtual At Sutter
Charter School
(Math: 26% | Reading: 45%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +
(from 4,787 to 4,787)
(from 4,787 to 4,787)
Grades: PK-12
50 Moreland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
California Virtual Academy At Kings
Charter School
(Math: 23% | Reading: 46%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +
(from 4,978 to 4,978)
(from 4,978 to 4,978)
Grades: PK-12
50 Moreland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
California Virtual @ Los Angeles
Charter School
(Math: 22% | Reading: 40%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +
(from 5,564 to 5,564)
(from 5,564 to 5,564)
Grades: PK-12
50 Moreland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
California Virtual At Fresno
Charter School
(Math: 21% | Reading: 40%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +
(from 5,780 to 5,780)
(from 5,780 to 5,780)
Grades: PK-12
50 Moreland Rd.
Simi Valley, CA 93065
(805) 581-0202
Simi Valley, CA 93065
(805) 581-0202
Rank: #3 - 113. - 11.
Scholarship Prep - South Bay
Charter School
(Math: 14% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +
(from 8,350 to 8,350)
(from 8,350 to 8,350)
Grades: PK-8
24910 S. Avalon Blvd.
Wilmington, CA 90744
(424) 251-9957
Wilmington, CA 90744
(424) 251-9957
Recent Articles
Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.
Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.
NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here鈥檚 what parents and educators need to know.
