For the 2025 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 41% (versus the California public charter school average of 31%), 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
1,300 Schools
# Students
1,826 Students
711,386 Students
# Teachers
81 Teachers
31,394 Teachers
Student : Teacher Ratio
23:1
23:1
District Rank
Old Adobe Union School District, which is ranked #718 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
Overall District Rank
#705 out of 1941 school districts
(Top 50%)
(Top 50%)

Math Test Scores (% Proficient)
39%
33%

Reading/Language Arts Test Scores (% Proficient)
44%
47%

Science Test Scores (% Proficient)
25%
29%
Students by Ethnicity:
Diversity Score
0.59
0.65
# American Indian Students
8 Students
3,137 Students
% American Indian Students
1%
1%
# Asian Students
50 Students
49,250 Students
% Asian Students
3%
7%
# Hispanic Students
809 Students
378,755 Students
% Hispanic Students
44%
53%
# Black Students
19 Students
48,500 Students
% Black Students
1%
7%
# White Students
843 Students
176,738 Students
% White Students
46%
25%
# Hawaiian Students
2 Students
2,385 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
95 Students
48,230 Students
% of Two or more races Students
5%
7%
Students by Grade:
# Students in PK Grade:
-
83
# Students in K Grade:
393
60,517
# Students in 1st Grade:
252
46,070
# Students in 2nd Grade:
222
47,155
# Students in 3rd Grade:
235
46,520
# Students in 4th Grade:
249
46,583
# Students in 5th Grade:
218
46,919
# Students in 6th Grade:
257
54,274
# Students in 7th Grade:
-
57,837
# Students in 8th Grade:
-
57,970
# Students in 9th Grade:
-
70,272
# Students in 10th Grade:
-
64,790
# Students in 11th Grade:
-
57,670
# Students in 12th Grade:
-
54,726
# Ungraded Students:
-
-
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 stayed relatively flat 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 stayed relatively flat 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
$18,396

Best Old Adobe Union School District Public Charter Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Sonoma Mountain Elementary School
Charter School
(Math: 57% | Reading: 66%)
Rank:
Rank:
9/
Top 20%10
1900 Rainier Cir.
Petaluma, CA 94954
(707) 765-4305
Petaluma, CA 94954
(707) 765-4305
Grades: K-6
| 451 students
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
Grades: K-6
| 295 students
Rank: #33.
Loma Vista Immersion Academy
Charter School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
5/
Bottom 50%10
207 Maria Dr.
Petaluma, CA 94954
(707) 765-4302
Petaluma, CA 94954
(707) 765-4302
Grades: K-6
| 468 students
Rank: #44.
Miwok Valley Elementary Charter
Charter School
(Math: 15-19% | 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
Grades: K-6
| 299 students
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