Enrollment
256
Elementary
DISTRICT 281 · STATE 465
SCHOOL COMMUNITY·TWIN HILLS UNION ELEMENTARY·NCES 064023010687
Sunridge Charter
7285 Hayden Ave., Sebastopol, CA 95472 · (707) 824-2844 · Sonoma County
GRADES KG–08ELEMENTARY31-TOWNCHARTERREGULAR SCHOOL256 STUDENTS
B-
allk12 Grade
Scored higher than 53% 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.
- CBeats 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
25.6:1
10 FTE teachers
DISTRICT 23.7:1 · STATE 22.3:1
Free / Reduced Lunch
32%
83 students
DISTRICT 26% · 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 | 48 | 19% |
| Grade 1 | 28 | 11% |
| Grade 2 | 30 | 12% |
| Grade 3 | 28 | 11% |
| Grade 4 | 29 | 11% |
| Grade 5 | 30 | 12% |
| Grade 6 | 28 | 11% |
| Grade 7 | 23 | 9% |
| Grade 8 | 12 | 5% |
This year's kindergarten class (48) is 300% larger than its 8th grade class (12).
Student demographics
39%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 47% · 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
63.8%
CA avg 49.1% . -4.2pp since 2014
Math
49.0%
CA avg 37.7% . +8.0pp since 2014
What this means: On the CAASPP, California's statewide test, about 64 of every 100 students at this school read and write at grade level and about 49 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 4 points since 2014, while math scores are up about 8 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 30.9% | 32.9% | 26.9% | 9.4% |
| Math | 22.1% | 26.9% | 22.1% | 28.9% |
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 | 63.8% | 49.0% |
| 2023-24 | 64.4% | 45.2% |
| 2022-23 | 73.2% | 48.8% |
| 2021-22 | 68.5% | 43.2% |
| 2018-19 | 68.9% | 45.1% |
| 2017-18 | 82.8% | 62.2% |
| 2016-17 | 77.1% | 66.0% |
| 2015-16 | 81.0% | 56.0% |
| 2014-15 | 68.0% | 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
55.5%
composite math + reading, all grades
Predicted
60.5%
based on CA schools with similar FRL share
Beats by
-5.1pp
below demographic expectation
What this means: About 55% of students here test proficient in math and reading, compared with the roughly 61% 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 Sunridge Charter
Sunridge Charter's state test result (55.5% proficient) is higher than 3 of the 3 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Sunridge Charter this school | 256 | 32.4% | 55.5% |
| Deer Creek Elementary Nevada City | 259 | 37.5% | 48.0% |
| Sebastopol Independent Charter Sebastopol | 286 | 36.7% | N/A |
| Golden Valley Orchard Orangevale | 292 | 31.5% | N/A |
| North Cow Creek Elementary Palo Cedro | 270 | 27.0% | 51.3% |
| Santa Margarita Elementary Santa Margarita | 297 | 33.7% | 53.2% |
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 Sunridge Charter ranks
Among elementary schools| Measure | This school | In California | In Sonoma County |
|---|---|---|---|
| State test proficiency ranked highest first | 55.5% | #1,378 of 5,151 | #17 of 79 |
| Math proficiency ranked highest first | 49.0% | #1,660 of 5,172 ▲ 150 | #23 of 79 ▲ 5 |
| Reading proficiency ranked highest first | 63.8% | #1,098 of 5,172 ▼ 113 | #14 of 79 ▼ 2 |
| 3-year test score change ranked biggest gain first | +0.6pp | #3,169 of 5,116 | #44 of 79 |
| Enrollment ranked largest first | 256 | #5,094 of 5,915 | #73 of 105 |
| Students per teacher ranked fewest first | 25.6:1 | #4,709 of 5,352 | #73 of 76 |
| Diversity index ranked most diverse first | 38.9% | #3,504 of 5,354 | #57 of 76 |
| Free and reduced lunch ranked highest share first | 32.4% | #4,665 of 5,625 | #69 of 89 |
| Enrollment change since 2017-18 ranked steepest decline first | -9.9% | #2,706 of 3,837 | #28 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
256
-14 (-5%) vs 2020
+33% since 2010-11, when it was 192
Student : Teacher
25.6:1
was 24.6:1
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 | 256 | 10 | 25.6:1 | 32% (83) |
| 2023-24 | 234 | 9.6 | 24.4:1 | 35% (82) |
| 2022-23 | 243 | 10 | 24.3:1 | 34% (83) |
| 2020-21 | 270 | 11 | 24.6:1 | 35% (95) |
| 2017-18 | 284 | 11 | 25.8:1 | 23% (66) |
| 2015-16 | 278 | 11 | 25.3:1 | 17% (48) |
| 2010-11 | 192 | N/A | N/A | 0% (0) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sunridge Charter.
Since 2017-18: students down 10% (284 to 256); teachers down 9% (11 to 10).
About Sunridge Charter
In Sebastopol, California, Sunridge Charter is a small elementary school. The student body numbers 256 students, from kindergarten through 8. An average school in this group (elementary schools in California) has about 465 students.
A total of 4 schools make up Twin Hills Union Elementary, with 992 students enrolled.
White students account for 76% of enrollment at Sunridge Charter. The remaining students are 14% Hispanic and 9% multiracial. Census figures show Sonoma County is about 62% White. By the diversity index, Sunridge Charter comes in at 39%.
Teachers at Sunridge Charter total 10 full-time equivalents, and the ratio is 25.6:1. For comparison, elementary schools in California average 22.3:1. Federal records put free or reduced-price lunch eligibility at 32%. By comparison, the figure for public schools in Sonoma County is 51%.
Sunridge Charter is graded B- by allk12, scoring above 53% of California public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
In California, Sunridge Charter is in the middle band of BeatsExpectations: 55.5% actual against a predicted 60.5%.
Census estimates describe Sonoma County this way: median household income is about $104,674, a bachelor's degree or higher is held by about 39% of adults, and the poverty rate is about 5%. Federal data list 184 public schools in Sonoma County, with a combined enrollment of about 63,389.
The nearest other public school, Park Side Elementary, is about 0.6 miles away. The count of other public schools within five miles is at least 8. On average proficiency, Sunridge Charter is 4th of 7 nearby schools with test data.
Under the NCES locale system, Sunridge Charter is Town: Fringe. NCES lists Sunridge Charter as a charter school.
The student count in 2024-25 was 256, 5% below the 270 of 2020-21. From 2020-21 to 2024-25, the ratio rose from 24.6:1 to 25.6:1.
Threads on this page can be about enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.
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 Twin Hills Union Elementary
- Apple BlossomElementary · 305 students
- Orchard ViewCombined · 224 students
- Twin Hills Charter MiddleMiddle · 207 students
Other schools in Sebastopol
- Analy HighHigh · 1,473 students
- Gravenstein ElementaryElementary · 464 students
- Apple BlossomElementary · 305 students
- Hillcrest MiddleMiddle · 297 students
- Sebastopol Independent CharterElementary · 286 students
- Park Side ElementaryElementary · 268 students
Nearby schools
- Park Side Elementary0.6 mi · 268
- Analy High1.0 mi · 1,473
- Brook Haven Middle1.0 mi · 212
- Twin Hills Charter Middle1.2 mi · 207
- Apple Blossom1.6 mi · 305
- Orchard View1.6 mi · 224
Frequently asked questions
About Sunridge CharterWhat is the total enrollment at Sunridge Charter?
Sunridge Charter enrolls approximately 256 students in grades KG-08.
Is Sunridge Charter an elementary, middle, or high school?
Sunridge Charter is an elementary school covering grades KG-08.
How many students per teacher at Sunridge Charter?
Approximately 25.6:1 students per teacher at Sunridge Charter.
What is the student diversity at Sunridge Charter?
Student demographics at Sunridge Charter are roughly 76% White, 14% Hispanic, 0% Black, 0% Asian, 9% Two or more.
Is Sunridge Charter public or private?
Sunridge Charter is a public K-12 school operated as a charter, overseen by Twin Hills Union Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.