Enrollment
278
Elementary
DISTRICT 347 · STATE 465
SCHOOL COMMUNITY·OLD ADOBE UNION·NCES 062832004386
Old Adobe Elementary Charter
2856 Adobe Rd., Petaluma, CA 94954 · (707) 765-4301 · Sonoma County
GRADES KG–06ELEMENTARY41-RURALCHARTERREGULAR SCHOOL278 STUDENTS
C+
allk12 Grade
Scored higher than 41% of California public elementary schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C+Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public elementary schools
Student : Teacher
25.3:1
11 FTE teachers
DISTRICT 23.8:1 · STATE 22.3:1
Free / Reduced Lunch
35%
96 students
DISTRICT 40% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 57 | 21% |
| Grade 1 | 40 | 14% |
| Grade 2 | 24 | 9% |
| Grade 3 | 28 | 10% |
| Grade 4 | 49 | 18% |
| Grade 5 | 43 | 15% |
| Grade 6 | 37 | 13% |
This year's kindergarten class (57) is 54% larger than its 6th grade class (37).
Student demographics
46%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 59% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
QUIET COMMUNITY
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START A DISCUSSIONTest scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
55.1%
CA avg 49.1% . -0.9pp since 2014
Math
41.0%
CA avg 37.7% . +0.0pp since 2014
What this means: On the CAASPP, California's statewide test, about 55 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores have held steady since 2014, while math scores have held steady.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 24.4% | 30.8% | 26.9% | 17.9% |
| Math | 16.7% | 24.4% | 32.7% | 26.3% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 55.1% | 41.0% |
| 2023-24 | 50.6% | 50.6% |
| 2022-23 | 52.8% | 44.8% |
| 2021-22 | 51.3% | 44.9% |
| 2018-19 | 61.4% | 51.9% |
| 2017-18 | 66.1% | 53.0% |
| 2016-17 | 65.1% | 53.3% |
| 2015-16 | 68.0% | 52.0% |
| 2014-15 | 56.0% | 41.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
49.3%
composite math + reading, all grades
Predicted
59.3%
based on CA schools with similar FRL share
Beats by
-10.0pp
below demographic expectation
What this means: About 49% of students here test proficient in math and reading, compared with the roughly 59% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Old Adobe Elementary Charter
Old Adobe Elementary Charter's state test result (49.3% proficient) is higher than 0 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Old Adobe Elementary Charter this school | 278 | 34.5% | 49.3% |
| Santa Margarita Elementary Santa Margarita | 297 | 33.7% | 53.2% |
| Golden Valley Orchard Orangevale | 292 | 31.5% | N/A |
| Pierpont Elementary Ventura | 304 | 34.9% | 60.7% |
| Pacific Beach Elementary San Diego | 312 | 34.9% | 65.6% |
| Green Oaks Fundamental Elementary Orangevale | 307 | 37.1% | 61.1% |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Old Adobe Elementary Charter ranks
Among elementary schools| Measure | This school | In California | In Sonoma County |
|---|---|---|---|
| State test proficiency ranked highest first | 49.3% | #1,757 of 5,151 | #27 of 79 |
| Math proficiency ranked highest first | 41.0% | #2,221 of 5,172 ▼ 733 | #36 of 79 ▼ 17 |
| Reading proficiency ranked highest first | 55.1% | #1,683 of 5,172 ▲ 176 | #28 of 79 no change |
| 3-year test score change ranked biggest gain first | +0.0pp | #3,339 of 5,116 | #46 of 79 |
| Enrollment ranked largest first | 278 | #4,941 of 5,915 | #66 of 105 |
| Students per teacher ranked fewest first | 25.3:1 | #4,569 of 5,352 | #72 of 76 |
| Diversity index ranked most diverse first | 46.0% | #3,071 of 5,354 | #46 of 76 |
| Free and reduced lunch ranked highest share first | 34.5% | #4,581 of 5,625 | #66 of 89 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.1% | #1,414 of 3,837 | #17 of 50 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
278
-53 (-16%) vs 2020
+32% since 1990-91, when it was 211
Student : Teacher
25.3:1
was 23.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 278 | 11 | 25.3:1 | 35% (96) |
| 2023-24 | 295 | 13 | 22.7:1 | 23% (69) |
| 2022-23 | 288 | 12 | 24.0:1 | 25% (72) |
| 2020-21 | 331 | 14 | 23.6:1 | 22% (74) |
| 2017-18 | 348 | 13 | 26.8:1 | 22% (76) |
| 2015-16 | 292 | 12 | 24.3:1 | 30% (88) |
| 2010-11 | 287 | N/A | N/A | 31% (88) |
| 2000-01 | 265 | 12 | 22.1:1 | 13% (34) |
| 1990-91 | 211 | 8 | 26.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Old Adobe Elementary Charter.
Since 2017-18: students down 20% (348 to 278); teachers down 15% (13 to 11).
About Old Adobe Elementary Charter
Petaluma, California, is home to Old Adobe Elementary Charter, a small elementary school. There are 278 students enrolled, covering kindergarten through 6. The school is 40% below the average for elementary schools in California.
Old Adobe Union enrolls 1,734 students in 5 schools, including Old Adobe Elementary Charter.
At Old Adobe Elementary Charter, 69% of students are White. After that, the student body is 24% Hispanic and 6% multiracial. On the diversity index, which measures the chance that two random students are from different groups, Old Adobe Elementary Charter scores 46%.
Old Adobe Elementary Charter has 11 full-time-equivalent teachers, for a student-to-teacher ratio of about 25.3:1. Elementary schools in California average 22.3:1, 3.0 fewer students per teacher than here. A common income measure, free or reduced-price lunch eligibility, is 35% at Old Adobe Elementary Charter. On average, public schools in Sonoma County report 51%.
Old Adobe Elementary Charter earns a C+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 41% of California public elementary schools.
On the allk12 BeatsExpectations measure, Old Adobe Elementary Charter is 10.0 points below the average proficiency rate across its state test results predicted for its free or reduced-price lunch share: 49.3% actual, 59.3% predicted. That is outside both the top and bottom 10% in California.
For the population of Sonoma County, the median household earns about $104,674 a year, a bachelor's degree or higher is held by about 39% of adults, and the poverty rate is about 5%. Across Sonoma County, 184 public schools serve about 63,389 students.
About 1.2 miles separate Old Adobe Elementary Charter from the closest public school, La Tercera Elementary. The five-mile area around Old Adobe Elementary Charter holds at least 8 other public schools. Ranking the closest schools with test data puts Old Adobe Elementary Charter at 2nd of 7.
Old Adobe Elementary Charter has an NCES locale of Rural: Fringe. Old Adobe Elementary Charter is a charter school, a type of public school that operates under a charter.
Enrollment fell 16% over 4 years, reaching 278 in 2024-25. The ratio was 23.6:1 in 2020-21 and 25.3:1 in 2024-25.
Old Adobe Elementary Charter has a community page on allk12 for topics such as pickup and drop-off, after-school programs, and teacher feedback. Teachers and staff are welcome to share updates too.
Sonoma County at a glance
View full county profilePopulation
485,040
Census ACS
Median income
$104,674
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
184
63,389 students
Quick facts
Related schools
Other schools in Old Adobe Union
- Loma Vista Immersion AcademyElementary · 451 students
- Sonoma Mountain ElementaryElementary · 422 students
- La Tercera ElementaryElementary · 295 students
- Miwok Valley Elementary CharterElementary · 288 students
Other schools in Petaluma
- Casa Grande HighHigh · 1,653 students
- Petaluma HighHigh · 1,193 students
- Kenilworth Junior HighMiddle · 812 students
- Heartwood CharterCombined · 739 students
- Mary Collins Charter School at Cherry ValleyElementary · 494 students
- Petaluma Junior HighMiddle · 454 students
Nearby schools
- La Tercera Elementary1.2 mi · 295
- Casa Grande High1.3 mi · 1,653
- Sonoma Mountain High (Necessary Small School)1.4 mi · 21
- McDowell Elementary1.6 mi · 329
- Dual Language Immersion Academy Charter1.6 mi · 31
- Loma Vista Immersion Academy1.6 mi · 451
Frequently asked questions
About Old Adobe Elementary CharterWhat is the total enrollment at Old Adobe Elementary Charter?
Old Adobe Elementary Charter enrolls approximately 278 students in grades KG-06.
What grades does Old Adobe Elementary Charter serve?
Old Adobe Elementary Charter serves grades KG-06.
How many students per teacher at Old Adobe Elementary Charter?
Approximately 25.3:1 students per teacher at Old Adobe Elementary Charter.
How diverse is Old Adobe Elementary Charter?
Old Adobe Elementary Charter reports a student body of 69% White, 24% Hispanic, 0% Black, 0% Asian, 6% Two or more.
What district is Old Adobe Elementary Charter in?
Old Adobe Elementary Charter is part of Old Adobe Union.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.