Enrollment
159
High
DISTRICT 82 · STATE 838
SCHOOL COMMUNITY·COAST UNIFIED·NCES 060004907414
Coast Union High
2950 Santa Rosa Creek Rd., Cambria, CA 93428 · (805) 927-3889 · San Luis Obispo County
GRADES 09–12HIGH41-RURALTITLE IREGULAR SCHOOL159 STUDENTS
D
allk12 Grade
Scored higher than 5% of California public high schools
- DTest 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.
- FThree-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 high schools
Student : Teacher
10.2:1
16 FTE teachers
DISTRICT 8.4:1 · STATE 18.2:1
Free / Reduced Lunch
89%
141 students
DISTRICT 87% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 36 | 23% |
| Grade 10 | 38 | 24% |
| Grade 11 | 39 | 25% |
| Grade 12 | 46 | 29% |
Student demographics
34%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 36% · 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
29.7%
CA avg 49.1% . -23.3pp since 2014
Math
8.1%
CA avg 37.7% . -8.9pp since 2014
What this means: On the CAASPP, California's statewide test, about 30 of every 100 students at this school read and write at grade level and about 8 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 23 points since 2014, while math scores are down about 9 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 5.4% | 24.3% | 16.2% | 54.0% |
| Math | 2.7% | 5.4% | 16.2% | 75.7% |
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 | 29.7% | 8.1% |
| 2023-24 | 20.9% | 20.4% |
| 2022-23 | 75.0% | 46.4% |
| 2021-22 | 64.7% | 29.4% |
| 2020-21 | 41.0% | 20.5% |
| 2018-19 | 71.4% | 30.9% |
| 2017-18 | 53.9% | 30.8% |
| 2016-17 | 73.7% | 41.4% |
| 2015-16 | 63.0% | 37.0% |
| 2014-15 | 53.0% | 17.0% |
% 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
19.8%
composite math + reading, all grades
Predicted
27.6%
based on CA schools with similar FRL share
Beats by
-7.8pp
below demographic expectation
What this means: About 20% of students here test proficient in math and reading, compared with the roughly 28% 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 Coast Union High
Coast Union High's state test result (19.8% proficient) is higher than 1 of the 3 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Coast Union High this school | 159 | 88.7% | 19.8% |
| Laton High Laton | 163 | 87.7% | 21.6% |
| Come Back Charter Merced | 128 | 88.3% | N/A |
| Porterville Military Academy Porterville | 255 | 90.2% | 32.3% |
| Tulelake High Tulelake | 209 | 82.3% | 15.2% |
| Fusion Charter Turlock | 142 | 84.5% | N/A |
Matched among California high 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 Coast Union High ranks
Among high schools| Measure | This school | In California | In San Luis Obispo County |
|---|---|---|---|
| State test proficiency ranked highest first | 19.8% | #1,001 of 1,052 | #9 of 10 |
| Math proficiency ranked highest first | 8.1% | #1,007 of 1,056 ▼ 411 | #9 of 10 ▼ 1 |
| Reading proficiency ranked highest first | 29.7% | #1,000 of 1,056 ▲ 29 | #9 of 10 no change |
| 3-year test score change ranked biggest drop first | -28.1pp | #3 of 1,044 | #1 of 10 |
| Enrollment ranked largest first | 159 | #1,434 of 2,093 | #11 of 22 |
| Free and reduced lunch ranked highest share first | 88.7% | #347 of 1,575 | #1 of 13 |
Ranked against other public high 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
159
-12 (-7%) vs 2020
-50% since 2000-01, when it was 319
Student : Teacher
10.2:1
was 11.4:1
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 | 159 | 15.6 | 10.2:1 | 89% (141) |
| 2023-24 | 154 | 15 | 10.3:1 | 85% (131) |
| 2022-23 | 149 | 16.4 | 9.1:1 | 63% (94) |
| 2020-21 | 171 | 15 | 11.4:1 | 64% (110) |
| 2017-18 | 191 | 15.2 | 12.6:1 | 63% (120) |
| 2015-16 | 230 | 14 | 16.4:1 | 49% (112) |
| 2010-11 | 237 | N/A | N/A | 53% (125) |
| 2000-01 | 319 | 20 | 15.9:1 | 21% (68) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Coast Union High.
Since 2017-18: students down 17% (191 to 159); teachers up 3% (15.2 to 15.6).
About Coast Union High
The public high school Coast Union High is located in Cambria, California. The student body numbers 159 students, from grades 9 through 12. An average school in this group (high schools in California) has about 838 students.
Coast Unified has a total of 4 schools and 478 students, Coast Union High among them.
At 79%, Hispanic students outnumber all other groups at Coast Union High combined. The remaining students are 17% White and 3% multiracial. Among people living in San Luis Obispo County, the Hispanic share is about 25%. Coast Union High has a diversity index of 34%, compared with 70% for all US public school students.
Federal records show a student-to-teacher ratio of 10.2:1 at Coast Union High, with 15.6 full-time-equivalent teachers. Among high schools in California, the typical ratio is 18.2:1. The count of students eligible for free or reduced-price lunch equals 89% of enrollment. By comparison, the figure for public schools in San Luis Obispo County is 54%.
The allk12 Grade for Coast Union High is D. Compared with California public high schools, the school scored higher than 5% on a mix of test scores, poverty-adjusted results, and recent trend.
Schools in California with a similar free or reduced-price lunch share are predicted to score about 27.6%. Coast Union High scores 19.8%.
Across San Luis Obispo County, median household income is about $97,446, about 40% of adults have at least a bachelor's degree, and the poverty rate is about 6%. Coast Union High is among the 83 public schools in San Luis Obispo County.
Of nearby public schools, Leffingwell High (Continuation) is the closest, at about 0.3 miles. Inside a five-mile radius, there are 3 other public schools. Among 8 nearby schools that report test results, Coast Union High ranks 8th on proficiency.
Coast Union High falls in the Rural: Fringe locale category, used for schools in rural territory close to an urban area.
The number of students declined from 171 to 159 over 4 years. The school's ratio fell from 11.4:1 to 10.2:1 between 2020-21 and 2024-25.
To ask about sports tryouts, band and choir, and theater, start a discussion on this page. Anyone with firsthand experience at this school can post or comment.
San Luis Obispo County at a glance
View full county profilePopulation
281,555
Census ACS
Median income
$97,446
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
83
33,339 students
Quick facts
Related schools
Other schools in Coast Unified
- Cambria GrammarElementary · 202 students
- Santa Lucia MiddleMiddle · 112 students
- Leffingwell High (Continuation)High · 5 students
Other schools in Cambria
- Cambria GrammarElementary · 202 students
- Santa Lucia MiddleMiddle · 112 students
- Leffingwell High (Continuation)High · 5 students
Nearby schools
- Leffingwell High (Continuation)0.3 mi · 5
- Santa Lucia Middle0.8 mi · 112
- Cambria Grammar1.0 mi · 202
- Cayucos Elementary12.2 mi · 185
- Cappy Culver Elementary16.1 mi · 220
- Del Mar Elementary16.7 mi · 271
Frequently asked questions
About Coast Union HighHow many students attend Coast Union High?
Coast Union High enrolls approximately 159 students in grades 09-12.
What age range does Coast Union High serve?
Coast Union High serves students from grade 09 through grade 12.
How many teachers does Coast Union High have?
Coast Union High employs 16 FTE teachers, for a student-to-teacher ratio of 10.2:1.
What is the student diversity at Coast Union High?
Student demographics at Coast Union High are roughly 17% White, 79% Hispanic, 1% Asian, 3% Two or more.
Is Coast Union High public or private?
Coast Union High is a public K-12 school, overseen by Coast Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.