1
Enrollment
1,350
High
DISTRICT 1,393 · STATE 838
SCHOOL COMMUNITY·CAMPBELL UNION HIGH·NCES 060723000665
Del Mar High
1224 Del Mar Ave., San Jose, CA 95128 · (408) 626-3403 · Santa Clara County
GRADES 09–12HIGH11-CITYTITLE IREGULAR SCHOOL1,350 STUDENTS
C
allk12 Grade
Scored higher than 32% of California public high schools
- C+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.
- DThree-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
20.6:1
66 FTE teachers
DISTRICT 20.2:1 · STATE 18.2:1
Free / Reduced Lunch
70%
940 students
DISTRICT 46% · STATE 65%
Community
6
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 | 331 | 25% |
| Grade 10 | 350 | 26% |
| Grade 11 | 334 | 25% |
| Grade 12 | 335 | 25% |
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 72% · 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
57.8%
CA avg 49.1% . -10.2pp since 2014
Math
17.7%
CA avg 37.7% . -10.3pp since 2014
What this means: On the CAASPP, California's statewide test, about 58 of every 100 students at this school read and write at grade level and about 18 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 10 points since 2014, while math scores are down about 10 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 26.7% | 31.1% | 24.1% | 18.1% |
| Math | 7.1% | 10.7% | 20.3% | 61.9% |
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 | 57.8% | 17.7% |
| 2023-24 | 54.7% | 16.8% |
| 2022-23 | 56.1% | 21.4% |
| 2021-22 | 61.1% | 24.1% |
| 2020-21 | 57.8% | 21.7% |
| 2018-19 | 63.3% | 27.3% |
| 2017-18 | 61.3% | 25.0% |
| 2016-17 | 72.1% | 30.0% |
| 2015-16 | 61.0% | 28.0% |
| 2014-15 | 68.0% | 28.0% |
% 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
36.8%
composite math + reading, all grades
Predicted
38.7%
based on CA schools with similar FRL share
Beats by
-2.0pp
below demographic expectation
What this means: About 37% of students here test proficient in math and reading, compared with the roughly 39% 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 Del Mar High
Del Mar High's state test result (36.8% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Del Mar High this school | 1,350 | 69.6% | 36.8% |
| Charter Oak High Covina | 1,259 | 69.5% | 42.9% |
| Pioneer High Woodland | 1,582 | 71.1% | 36.4% |
| University Preparatory Victorville | 1,136 | 74.6% | 75.6% |
| Ramon C. Cortines School of Visual and Performing Arts Los Angeles | 1,102 | 71.5% | 40.4% |
| Sonora High La Habra | 1,779 | 66.5% | 54.1% |
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 Del Mar High ranks
Among high schools| Measure | This school | In California | In Santa Clara County |
|---|---|---|---|
| State test proficiency ranked highest first | 36.8% | #616 of 1,052 | #33 of 43 |
| Math proficiency ranked highest first | 17.7% | #744 of 1,056 ▼ 42 | #35 of 43 ▲ 4 |
| Reading proficiency ranked highest first | 57.8% | #522 of 1,056 ▲ 26 | #28 of 43 ▲ 6 |
| 3-year test score change ranked biggest drop first | -4.9pp | #132 of 1,044 | #11 of 42 |
| Enrollment ranked largest first | 1,350 | #622 of 2,093 | #34 of 76 |
| Students per teacher ranked fewest first | 20.6:1 | #630 of 1,352 | #27 of 57 |
| Diversity index ranked most diverse first | 46.5% | #742 of 1,351 | #34 of 57 |
| Free and reduced lunch ranked highest share first | 69.6% | #877 of 1,575 | #15 of 67 |
| Enrollment change since 2017-18 ranked fastest growth first | +7.2% | #171 of 327 | #4 of 8 |
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
1,350
+24 (+2%) vs 2020
+21% since 1990-91, when it was 1,115
Student : Teacher
20.6:1
was 20.4:1
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 | 1,350 | 65.6 | 20.6:1 | 70% (940) |
| 2023-24 | 1,310 | 64.3 | 20.4:1 | 64% (837) |
| 2022-23 | 1,293 | 62.2 | 20.8:1 | 69% (892) |
| 2020-21 | 1,326 | 65 | 20.4:1 | 44% (579) |
| 2017-18 | 1,259 | 58.6 | 21.5:1 | 47% (594) |
| 2015-16 | 1,167 | 52 | 22.4:1 | 41% (473) |
| 2010-11 | 1,257 | N/A | N/A | 46% (580) |
| 2000-01 | 1,477 | 64 | 23.1:1 | 17% (247) |
| 1990-91 | 1,115 | 52 | 21.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Del Mar High.
Since 2017-18: students up 7% (1,259 to 1,350); teachers up 12% (58.6 to 65.6).
About Del Mar High
Del Mar High runs as a large high school in San Jose, California. The school teaches grades 9 through 12 and enrolls 1,350 students. It has 61% more students than the average for high schools in California (about 838).
Del Mar High is one school in Campbell Union High, a system of 6 schools with 8,359 students.
More than half of the students at Del Mar High are Hispanic (71%). Next come 13% White, 9% Asian, 4% Black, and 3% multiracial. That compares with about 25% Hispanic among all Santa Clara County residents. Measured by the diversity index, the student body scores 47%.
The student-to-teacher ratio is 20.6:1. The school has 65.6 full-time-equivalent teachers. By comparison, the average for high schools in California is 18.2:1. In all, 70% of students qualify for free or reduced-price lunch. That is higher than the 37% average for public schools in Santa Clara County.
Del Mar High 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 32% of California public high schools.
In California, Del Mar High is in the middle band of BeatsExpectations: 36.8% actual against a predicted 38.7%.
Census data for Santa Clara County show median household income comes to about $164,281, the share of adults with a bachelor's degree or higher is 57%, and roughly 4% of residents are in poverty. The county has 412 public schools and about 230,059 students.
Del Mar High is about 0.4 miles from Sherman Oaks Elementary, its nearest public school. Around the school, at least 8 other public schools are within five miles. In a group of 9 nearby schools with scores, Del Mar High ranks 3rd on average proficiency.
For locale, NCES codes Del Mar High as City: Large.
Enrollment has been fairly stable: 1,326 in 2020-21 and 1,350 in 2024-25.
The allk12 page for Del Mar High lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.
Santa Clara County at a glance
View full county profilePopulation
1,902,047
Census ACS
Median income
$164,281
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
412
230,059 students
Quick facts
Related schools
Other schools in Campbell Union High
- Leigh HighHigh · 1,884 students
- Branham HighHigh · 1,820 students
- Westmont HighHigh · 1,682 students
- Prospect HighHigh · 1,460 students
- Boynton HighHigh · 163 students
Other schools in San Jose
- Evergreen Valley HighHigh · 2,703 students
- Independence HighHigh · 2,289 students
- Silver Creek HighHigh · 2,139 students
- Santa Teresa HighHigh · 2,134 students
- Piedmont Hills HighHigh · 1,918 students
- Leigh HighHigh · 1,884 students
Other Del Mar High schools
One other US public school is named Del Mar High. Del Mar High is the largest of the 2.
- Del Mar HighSan Gabriel, CA · 36 students
Nearby schools
- Sherman Oaks Elementary0.4 mi · 524
- Blackford Elementary0.6 mi · 414
- Monroe Middle0.9 mi · 677
- Castlemont Elementary1.0 mi · 436
- Luther Burbank Elementary1.3 mi · 426
- River Glen1.6 mi · 463
Frequently asked questions
About Del Mar HighWhat is the total enrollment at Del Mar High?
Del Mar High enrolls approximately 1,350 students in grades 09-12.
What grades does Del Mar High serve?
Del Mar High serves grades 09-12.
What is the student-teacher ratio at Del Mar High?
The student-to-teacher ratio at Del Mar High is approximately 20.6:1 (66 FTE teachers).
What is the racial breakdown of students at Del Mar High?
At Del Mar High, the student body is approximately 13% White, 71% Hispanic, 4% Black, 9% Asian, 3% Two or more.
Who oversees Del Mar High?
Del Mar High is overseen by Campbell Union High in Santa Clara County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.