The most improved public preschools in California are Ormondale Elementary School, Alexander Rose Elementary School and Ellerhorst Elementary School.
A school's improvement is based on a its total rise in ranking spots during the last five years (2021-26).
Improved Rank Range:
1,581
Avg. Improved Rank: 214
Most Improved Public Preschools in California (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Ranking Change (2021-26)
Grades
Location
Rank: #11.
Ormondale Elementary School
(Math: ≥90% | Reading: 80-89%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +165
(from 266 to 101)
(from 266 to 101)
Grades: PK-3
200 Shawnee Pass
Portola Valley, CA 94028
(650) 851-1777
Portola Valley, CA 94028
(650) 851-1777
Rank: #22.
Alexander Rose Elementary School
(Math: 43% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +-12
(from 2,953 to 2,965)
(from 2,953 to 2,965)
Grades: PK-6
250 Roswell Dr.
Milpitas, CA 95035
(408) 635-2668
Milpitas, CA 95035
(408) 635-2668
Rank: #33.
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: #44.
Fair Oaks Elementary School
(Math: 15-19% | Reading: 15-19%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +-1878
(from 6,452 to 8,330)
(from 6,452 to 8,330)
Grades: PK-5
2400 Lisa Ln.
Pleasant Hill, CA 94523
(925) 685-4494
Pleasant Hill, CA 94523
(925) 685-4494
Rank: #55.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
Ramona Community Montessori
Alternative School
(Math: 35-39% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +
(from 2,869 to 2,869)
(from 2,869 to 2,869)
Grades: PK-6
1010 Ramona St.
Ramona, CA 92065
(760) 787-3600
Ramona, CA 92065
(760) 787-3600
Rank: #6 - 156. - 15.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
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: #6 - 156. - 15.
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
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