51±¬ÁÏ

Old Adobe Union School District

845 Crinella Dr.
Petaluma, CA 94954-4450
(District boundaries shown in map)
7/
10
Top 50%
For the 2025-26 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
3,821,898 Students
# Teachers
81 Teachers
173,967 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.
This School District
State Average (CA)
#686 out of 1932 school districts
(Top 50%)
39%
34%
44%
47%
25%
29%

Students by Ethnicity:

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 $19,978. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $20,039 is higher than the state median of $18,399. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (CA)
Total Revenue
$31 MM
$116,387 MM
Spending
$37 MM
$107,188 MM
Revenue / Student
$17,130
$19,978
Spending / Student
$20,039
$18,399

Best Old Adobe Union School District Public Elementary Schools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sonoma Mountain Elementary School
Charter School
(Math: 61% | Reading: 66%)
Rank:
9/
10
Top 20%
1900 Rainier Cir.
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:
8/
10
Top 30%
2856 Adobe Rd.
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:
5/
10
Bottom 50%
207 Maria Dr.
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:
5/
10
Bottom 50%
1600 Albin Way
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:
2/
10
Bottom 50%
1010 Saint Francis Dr.
Petaluma, CA 94954
(707) 765-4304
Gr: K-6 | 299 students Student-teacher ratio: 18:1 Minority enrollment: 79%

Recent Articles

2025 Classroom Size Trends: Are Classes Still Growing?
2025 Classroom Size Trends: Are Classes Still Growing?
A 2025 update on U.S. classroom sizes, policy battles, student outcomes, and whether class sizes continue to expand.
Personalized Learning in 2025: Revolutionizing Education
Personalized Learning in 2025: Revolutionizing Education
Explore how personalized learning is reshaping education in 2025—insights, policy, impact, and real-world models for students, parents, and educators.
How Bullying Impacts Student Academic Performance in 2025
How Bullying Impacts Student Academic Performance in 2025
Explore how bullying harms student achievement, attendance, and well-being — and strategies schools use in 2025 to mitigate its effects.

Quick Facts (2025-26)

  • District size: 5 schools
  • Grades: K-06
  • Enrollment: 1,826 students
  • Student-Teacher Ratio: 23:1
  • Minority Enrollment: 54%
  • : Top 50% in CA
  • : 39% (Top 30%)
  • : 44% (Top 50%)
  • : 25% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Quick Links