For the 2026 school year, there are 5 public elementary schools serving 1,826 students in Old Adobe Union School District. This district's average elementary testing ranking is 7/10, which is in the top 50% of public elementary schools in California.
Public Elementary Schools in Old Adobe Union School District have an average math proficiency score of 39% (versus the California public elementary school average of 36%), and reading proficiency score of 43% (versus the 45% statewide average).
Minority enrollment is 54% of the student body (majority Hispanic), which is less than the California public elementary school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
5 Schools
7,693 Schools
# Students
1,826 Students
3,823,109 Students
# Teachers
81 Teachers
173,999 Teachers
Student-Teacher Ratio
23:1
23:1
Student By Grade
District Rank
Old Adobe Union School District, which is ranked #720 of all 1,908 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Overall District Rank
#686 out of 1932 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
39%
34%
Reading/Language Arts Test Scores (% Proficient)
44%
47%
Science Test Scores (% Proficient)
25%
29%
Students by Ethnicity:
Diversity Score
0.59
0.64
% American Indian
1%
1%
% Asian
3%
12%
% Hispanic
44%
55%
% Black
1%
5%
% White
46%
21%
% Hawaiian
n/a
n/a
% Two or more races
5%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $17,130 in this school district is less than the state median of $19,974. The school district revenue/student has grown by 10% over four school years.
The school district's spending/student of $20,039 is higher than the state median of $18,395. The school district spending/student has grown by 31% over four school years.
Total Revenue
$31 MM
$116,387 MM
Spending
$37 MM
$107,188 MM
Revenue / Student
$17,130
$19,974
Spending / Student
$20,039
$18,395
Best Old Adobe Union School District Public Elementary Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sonoma Mountain Elementary School
Charter School
(Math: 61% | Reading: 66%)
Rank:
Rank:
9/
Top 20%10
1900 Rainier Cir.
Petaluma, CA 94954
(707) 765-4305
Petaluma, CA 94954
(707) 765-4305
Gr: K-6 | 451 students Student-teacher ratio: 27:1 Minority enrollment: 30%
Rank: #22.
Old Adobe Elementary Charter
Charter School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
8/
Top 30%10
2856 Adobe Rd.
Petaluma, CA 94954
(707) 765-4301
Petaluma, CA 94954
(707) 765-4301
Gr: K-6 | 295 students Student-teacher ratio: 23:1 Minority enrollment: 33%
Rank: #33.
Loma Vista Immersion Academy
Charter School
(Math: 39% | Reading: 30-34%)
Rank:
Rank:
5/
Bottom 50%10
207 Maria Dr.
Petaluma, CA 94954
(707) 765-4302
Petaluma, CA 94954
(707) 765-4302
Gr: K-6 | 468 students Student-teacher ratio: 22:1 Minority enrollment: 77%
Rank: #44.
La Tercera Elementary School
(Math: 30% | Reading: 30-34%)
Rank:
Rank:
5/
Bottom 50%10
1600 Albin Way
Petaluma, CA 94954
(707) 765-4303
Petaluma, CA 94954
(707) 765-4303
Gr: K-6 | 313 students Student-teacher ratio: 24:1 Minority enrollment: 50%
Rank: #55.
Miwok Valley Elementary Charter
Charter School
(Math: 10-14% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
1010 Saint Francis Dr.
Petaluma, CA 94954
(707) 765-4304
Petaluma, CA 94954
(707) 765-4304
Gr: K-6 | 299 students Student-teacher ratio: 18:1 Minority enrollment: 79%
Recent Articles
Back-to-School Tech & Online Learning Readiness Checklist
A 2026 guide to back-to-school tech & online learning readiness, helping families prepare devices, connectivity, skills, and safety.
How Public Schools Prepare for College in High School
Learn how public schools prepare for college and what parents should look for as students begin high school. Updated for 2026.
School Choice in 2026: What Parents Must Know
Explore how school choice is reshaping U.S. education in 2026, with updated trends, enrollment data, costs, policies, and practical guidance for parents.
