Enrollment
135
Elementary
STATE 465
SCHOOL COMMUNITY·TWO ROCK UNION·NCES 064026006654
Two Rock Elementary
5001 Spring Hill Rd., Petaluma, CA 94952 · (707) 762-6617 · Sonoma County
GRADES KG–06ELEMENTARY41-RURALTITLE IREGULAR SCHOOL135 STUDENTS
B-
allk12 Grade
Scored higher than 50% of California public elementary schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- B+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
19.3:1
7 FTE teachers
STATE 22.3:1
Free / Reduced Lunch
50%
68 students
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 | 27 | 20% |
| Grade 1 | 13 | 10% |
| Grade 2 | 19 | 14% |
| Grade 3 | 29 | 21% |
| Grade 4 | 18 | 13% |
| Grade 5 | 18 | 13% |
| Grade 6 | 11 | 8% |
This year's kindergarten class (27) is 145% larger than its 6th grade class (11).
Student demographics
59%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
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
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
43.1%
CA avg 49.1% . -1.9pp since 2014
Math
43.8%
CA avg 37.7% . -3.2pp since 2014
What this means: On the CAASPP, California's statewide test, about 43 of every 100 students at this school read and write at grade level and about 44 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 2 points since 2014, while math scores are down about 3 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 25.0% | 18.1% | 40.3% | 16.7% |
| Math | 16.4% | 27.4% | 32.9% | 23.3% |
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 | 43.1% | 43.8% |
| 2023-24 | 38.3% | 46.7% |
| 2022-23 | 48.4% | 40.3% |
| 2021-22 | 43.3% | 29.9% |
| 2020-21 | 34.4% | 16.7% |
| 2018-19 | 54.0% | 42.7% |
| 2017-18 | 62.7% | 48.6% |
| 2016-17 | 53.0% | 61.0% |
| 2015-16 | 47.0% | 48.0% |
| 2014-15 | 45.0% | 47.0% |
% 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
44.8%
composite math + reading, all grades
Predicted
50.0%
based on CA schools with similar FRL share
Beats by
-5.2pp
below demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 50% 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 Two Rock Elementary
Two Rock Elementary's state test result (44.8% proficient) is higher than 1 of the 3 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Two Rock Elementary this school | 135 | 50.4% | 44.8% |
| Santa Ynez Elementary Santa Ynez | 147 | 45.6% | 50.1% |
| Fairsite Elementary Galt | 160 | 46.9% | N/A |
| Fuente Nueva Charter Arcata | 150 | 45.3% | N/A |
| Plainsburg Union Elementary Merced | 113 | 47.8% | 41.1% |
| Maple Elementary Newbury Park | 181 | 45.3% | 57.3% |
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 Two Rock Elementary ranks
Among elementary schools| Measure | This school | In California | In Sonoma County |
|---|---|---|---|
| State test proficiency ranked highest first | 44.8% | #2,077 of 5,151 | #34 of 79 |
| Math proficiency ranked highest first | 43.8% | #2,009 of 5,172 ▼ 294 | #30 of 79 ▼ 4 |
| Reading proficiency ranked highest first | 43.1% | #2,644 of 5,172 ▲ 236 | #41 of 79 ▲ 4 |
| 3-year test score change ranked biggest gain first | +6.9pp | #1,171 of 5,116 | #16 of 79 |
| Enrollment ranked largest first | 135 | #5,553 of 5,915 | #83 of 105 |
| Free and reduced lunch ranked highest share first | 50.4% | #3,892 of 5,625 | #40 of 89 |
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
135
+12 (+10%) vs 2020
-32% since 1990-91, when it was 199
Student : Teacher
19.3:1
was 20.5:1
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 | 135 | 7 | 19.3:1 | 50% (68) |
| 2023-24 | 125 | 7 | 17.9:1 | 46% (57) |
| 2022-23 | 132 | 6 | 22.0:1 | 46% (61) |
| 2020-21 | 123 | 6 | 20.5:1 | 43% (53) |
| 2017-18 | 154 | 8 | 19.3:1 | 55% (84) |
| 2015-16 | 157 | 7 | 22.4:1 | 54% (84) |
| 2010-11 | 181 | N/A | N/A | 48% (87) |
| 2000-01 | 200 | 13 | 15.4:1 | 39% (78) |
| 1990-91 | 199 | 9 | 22.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Two Rock Elementary.
Since 2017-18: students down 12% (154 to 135); teachers down 12% (8 to 7).
About Two Rock Elementary
Two Rock Elementary is one of the public schools in Petaluma, California. It is a very small elementary school. It had 135 students in 2024-25, spanning kindergarten through 6. Elementary schools in California average about 465 students, which makes this school 71% below average.
Two Rock Elementary is administered by Two Rock Union.
More than half of enrollment at Two Rock Elementary is Hispanic: 53%. Other groups make up 35% White and 10% multiracial. Sonoma County as a whole is about 30% Hispanic, so the school's share is higher. On the diversity index, which measures the chance that two random students are from different groups, Two Rock Elementary scores 59%.
There are 7 full-time-equivalent teachers at the school, a ratio of 19.3:1. The gap from the 22.3:1 average for elementary schools in California is 3.0 students per teacher. On the income side, 50% of students qualify for free or reduced-price lunch. The figure for public schools in Sonoma County is close, at 51%.
Two Rock Elementary earns a B- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 50% of California public elementary schools.
On a poverty-adjusted basis, Two Rock Elementary falls in the middle 80% of California schools: 44.8% actual against 50.0% predicted.
In Sonoma County, home to about 485,040 people, median household income comes to about $104,674, 39% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. There are 184 public schools in the county, enrolling about 63,389, Two Rock Elementary among them.
Liberty Primary is the nearest public school to Two Rock Elementary, about 4.3 miles away. Within five miles of Two Rock Elementary, there are 5 other public schools. Among its closest neighbors with test data, Two Rock Elementary is 4th of 5 on proficiency.
Locale data from NCES put Two Rock Elementary in rural territory close to an urban area (Rural: Fringe).
A 10% rise took enrollment from 123 in 2020-21 to 135 in 2024-25. The student-to-teacher ratio dropped from 20.5:1 in 2020-21 to 19.3:1 in 2024-25.
This community page is for conversations about fundraisers, report cards, and school supplies. 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 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
- Liberty Primary4.3 mi · 56
- Liberty Elementary4.3 mi · 162
- Heartwood Charter4.3 mi · 739
- Dunham Charter4.7 mi · 166
- Dunham Elementary4.7 mi · 9
- Wilson Elementary5.1 mi · 235
Frequently asked questions
About Two Rock ElementaryHow large is Two Rock Elementary?
Two Rock Elementary enrolls approximately 135 students in grades KG-06.
What age range does Two Rock Elementary serve?
Two Rock Elementary serves students from grade KG through grade 06.
How many students per teacher at Two Rock Elementary?
Approximately 19.3:1 students per teacher at Two Rock Elementary.
How diverse is Two Rock Elementary?
Two Rock Elementary reports a student body of 35% White, 53% Hispanic, 1% Black, 10% Two or more.
Is Two Rock Elementary public or private?
Two Rock Elementary is a public K-12 school, overseen by Two Rock Union.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.