1
What's the best and worst thing about the food at La Serna High?
Community prompt from u/allk12. Replies below.
Enrollment
2,372
High
DISTRICT 1,400 · STATE 838
SCHOOL COMMUNITY·WHITTIER UNION HIGH·NCES 064248006952
La Serna High
15301 Youngwood Dr., Whittier, CA 90605 · (562) 698-8121 · Los Angeles County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL2,372 STUDENTS
Student : Teacher
25.9:1
92 FTE teachers
DISTRICT 21.1:1 · STATE 18.2:1
Free / Reduced Lunch
58%
1,386 students
DISTRICT 77% · 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 | 623 | 26% |
| Grade 10 | 570 | 24% |
| Grade 11 | 625 | 26% |
| Grade 12 | 554 | 23% |
Student demographics
30%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 18% · 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
71.3%
CA avg 49.1% . -2.7pp since 2014
Math
42.9%
CA avg 37.7% . +5.9pp since 2014
What this means: On the CAASPP, California's statewide test, about 71 of every 100 students at this school read and write at grade level and about 43 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 3 points since 2014, while math scores are up about 6 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 40.3% | 31.0% | 16.2% | 12.5% |
| Math | 19.5% | 23.4% | 28.1% | 29.1% |
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 | 71.3% | 42.9% |
| 2023-24 | 73.6% | 42.6% |
| 2022-23 | 70.7% | 36.9% |
| 2021-22 | 74.2% | 41.5% |
| 2020-21 | 71.1% | 44.8% |
| 2018-19 | 71.1% | 37.9% |
| 2017-18 | 68.2% | 36.8% |
| 2016-17 | 76.5% | 40.1% |
| 2015-16 | 78.0% | 42.0% |
| 2014-15 | 74.0% | 37.0% |
% 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
57.6%
composite math + reading, all grades
Predicted
45.3%
based on CA schools with similar FRL share
Beats by
+12.3pp
above demographic expectation
What this means: About 58% of students here test proficient in math and reading, compared with the roughly 45% 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 La Serna High
La Serna High's state test result (57.6% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| La Serna High this school | 2,372 | 58.4% | 57.6% |
| Ernest Righetti High Santa Maria | 2,416 | 55.5% | 41.3% |
| Hollister High Hollister | 3,316 | 61.6% | 37.0% |
| La Habra High La Habra | 1,881 | 65.1% | 39.9% |
| Abraham Lincoln High San Jose | 1,590 | 56.2% | 35.7% |
| El Diamante High Visalia | 1,890 | 62.6% | 47.2% |
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 La Serna High ranks
Among high schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| State test proficiency ranked highest first | 57.6% | #208 of 1,052 | #44 of 228 |
| Math proficiency ranked highest first | 42.9% | #234 of 1,056 ▼ 12 | #51 of 229 ▲ 3 |
| Reading proficiency ranked highest first | 71.3% | #221 of 1,056 ▼ 44 | #46 of 229 ▼ 4 |
| 3-year test score change ranked biggest drop first | -0.7pp | #343 of 1,044 | #41 of 229 |
| Enrollment ranked largest first | 2,372 | #137 of 2,093 | #28 of 486 |
| Students per teacher ranked fewest first | 25.9:1 | #1,265 of 1,352 | #336 of 358 |
| Diversity index ranked most diverse first | 29.6% | #986 of 1,351 | #188 of 359 |
| Free and reduced lunch ranked highest share first | 58.4% | #1,060 of 1,575 | #317 of 396 |
| Enrollment change since 2017-18 ranked steepest decline first | -12.7% | #366 of 802 | #138 of 227 |
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
2,372
-197 (-8%) vs 2020
+35% since 1990-91, when it was 1,751
Student : Teacher
25.9:1
was 28.2:1
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 | 2,372 | 91.5 | 25.9:1 | 58% (1,386) |
| 2023-24 | 2,385 | 89.7 | 26.6:1 | 58% (1,393) |
| 2022-23 | 2,410 | 93.3 | 25.8:1 | 57% (1,374) |
| 2020-21 | 2,569 | 91 | 28.2:1 | 46% (1,177) |
| 2017-18 | 2,718 | 99 | 27.4:1 | 51% (1,389) |
| 2015-16 | 2,838 | 101 | 28.1:1 | 45% (1,267) |
| 2010-11 | 2,535 | N/A | N/A | 36% (900) |
| 2000-01 | 1,934 | 80 | 24.2:1 | 12% (229) |
| 1990-91 | 1,751 | 68 | 25.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for La Serna High.
Since 2017-18: students down 13% (2,718 to 2,372); teachers down 8% (99 to 91.5).
About La Serna High
La Serna High is a large high school in Whittier, California. Its 2,372 students are spread across grades 9 through 12. The typical figure for high schools in California is about 838 students.
The district for La Serna High is Whittier Union High, with 7 schools and 9,798 students.
Hispanic students make up 83% of enrollment at La Serna High. Smaller groups are 10% White and 4% Asian. For comparison, the population of Los Angeles County is roughly 48% Hispanic. The school's diversity index is 30%, meaning two students picked at random have a 30% chance of belonging to different racial or ethnic groups.
Federal records show a student-to-teacher ratio of 25.9:1 at La Serna High, with 91.5 full-time-equivalent teachers. This ratio sits 7.7 above the 18.2:1 average for high schools in California. Free and reduced-price lunch eligibility, a common measure of family income, is 58%. It compares with 70% for public schools in Los Angeles County.
La Serna High's average proficiency rate on state tests of 57.6% is 12.3 points above the 45.3% the model predicts from its lunch-eligibility share.
County data help place the school in context: in Los Angeles County, the median household income is $90,112, roughly 36% of adults have a four-year degree or more, and about 10% of residents live below the federal poverty line. Los Angeles County is home to 2,244 public schools and about 1,265,907 public school students.
The closest public school, Murphy Ranch Elementary, is about 0.8 miles from La Serna High. There are at least 8 other public schools within five miles. On state test proficiency, La Serna High ranks 4th in a group of 9 nearby schools.
La Serna High has an NCES locale of Suburb: Large.
The school enrolled 2,372 students in 2024-25, 197 fewer than the 2,569 it had in 2020-21. The student-to-teacher ratio fell from 28.2:1 in 2020-21 to 25.9:1 in 2024-25.
Questions about enrollment questions, class placement, and PTA news can be posted here. Questions from prospective families are welcome too.
Los Angeles County at a glance
View full county profilePopulation
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students
Quick facts
Related schools
Other schools in Whittier Union High
- California HighHigh · 2,261 students
- Santa Fe HighHigh · 1,865 students
- Whittier HighHigh · 1,652 students
- Pioneer HighHigh · 1,000 students
- Frontier High (Continuation)High · 364 students
- Sierra Vista High (Alternative)High · 284 students
Other schools in Whittier
- California HighHigh · 2,261 students
- Whittier HighHigh · 1,652 students
- Pioneer HighHigh · 1,000 students
- Granada MiddleMiddle · 989 students
- East Whittier MiddleMiddle · 985 students
- Katherine Edwards Mid Sch STEAM & Dual Immersion AcadMiddle · 894 students
Nearby schools
- Murphy Ranch Elementary0.8 mi · 466
- East Whittier Middle1.1 mi · 985
- Leffingwell Elementary1.1 mi · 551
- Ocean View Elementary1.2 mi · 668
- Orchard Dale Elementary1.4 mi · 472
- Jordan Elementary1.6 mi · 516
Frequently asked questions
About La Serna HighWhat is the total enrollment at La Serna High?
La Serna High enrolls approximately 2,372 students in grades 09-12.
What grades does La Serna High serve?
La Serna High serves grades 09-12.
What is the student-teacher ratio at La Serna High?
The student-to-teacher ratio at La Serna High is approximately 25.9:1 (92 FTE teachers).
What is the student diversity at La Serna High?
Student demographics at La Serna High are roughly 10% White, 83% Hispanic, 1% Black, 4% Asian, 1% Two or more.
What district is La Serna High in?
La Serna High is part of Whittier Union High.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.