Old Adobe Union School District

845 Crinella Dr.
Petaluma, CA 94954-4450
(District boundaries shown in map)
7/
10
Top 50%
For the 2026 school year, there are 4 public charter schools serving 1,513 students in Old Adobe Union School District. This district's average charter testing ranking is 7/10, which is in the top 50% of public charter schools in California.
Public Charter Schools in Old Adobe Union School District have an average math proficiency score of 42% (versus the California public charter school average of 32%), and reading proficiency score of 46% (versus the 48% statewide average).
Minority enrollment is 55% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
5 Schools
1,296 Schools
# Students
1,826 Students
709,739 Students
# Teachers
81 Teachers
31,331 Teachers
Student-Teacher Ratio
23:1
23:1

Student By Grade

District Rank

Old Adobe Union School District, which is ranked #719 of all 1,907 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
0.65
% American Indian
1%
1%
% Asian
3%
7%
% Hispanic
44%
53%
% Black
1%
7%
% White
46%
25%
% Hawaiian
n/a
n/a
% Two or more races
5%
7%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $17,130 in this school district is less than the state median of $19,975. 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 $18,396. The school district spending/student has grown by 31% 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
$19,975
Spending / Student
$20,039
$18,396

Best Old Adobe Union School District Public Charter Schools (2026)

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.
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%

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Quick Facts (2026)

  • 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

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