Excellent
#1121 of 9,533 schools in CA
Top 12% in state
La Serna High
High School · Whittier Union High
15301 East Youngwood Dr., Whittier, CA 90605
Enrollment
2,385
Student-Teacher
26.8:1
Score
8.2
Grades
9th – 12th
Enrollment
2,385
Student-Teacher
26.8:1
Score
8.2
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Whittier
#6 of 42
public schools
California high schools
#184 of 1,892
In district
#3 of 7
Whittier Union High
Academic growth
9.2 / 10
Exceptional
About La Serna High
La Serna High is a public high school in Whittier, CA, part of the Whittier Union High. The school serves approximately 2,385 students in grades 9th – 12th with a student-teacher ratio of 26.8:1. It holds a MySchoolScout rating of 8.2/10, placing it in the 88.3th percentile among CA schools — an above average rating overall.
Students demonstrate 42% proficiency in math, 10 points above the state average and 72% in reading/language arts, 21 points above the state average. The school scores particularly well in student growth (9.2/10). Located in a neighborhood with a median household income of $100,825, where 23% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
What Parents Should Know
La Serna High is a large school with 2,385 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
The student-teacher ratio at La Serna High is 26.8:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
La Serna High — Students at La Serna High score 58% proficient, which is above what's typical for similar communities (expected: 42%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
58.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.2/10.
How La Serna High Compares
See how La Serna High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 37% (2019) to 42.65% (2024). Reading/ELA proficiency has improved from 70% (2019) to 73.59% (2024).
Location
15301 East Youngwood Dr., Whittier, CA 90605
Nearby Alternatives
Families considering La Serna High may also want to explore other high schools in the area. California High (rated 8.7/10, 1.7 miles away), which scores slightly higher. Another option is Hillview Middle (rated 8.5/10, 1.6 miles away), which scores slightly higher. Additionally, Orchard Dale Elementary (rated 8.3/10, 1.4 miles away), with a very similar rating. For more schools in Whittier, see our Whittier schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| Murphy Ranch Elementary Whittier | 0.8 mi | 6.6 |
| Leffingwell Elementary Whittier | 1.1 mi | 8.2 |
| St. Bruno Parish School Whittier | 1.2 mi | — |
| ST BRUNO PARISH SCHOOL Whittier | 1.2 mi | 5.4 |
| East Whittier Middle Whittier | 1.1 mi | 7.0 |
| Ocean View Elementary Whittier | 1.2 mi | 6.7 |
| Orchard Dale Elementary Whittier | 1.4 mi | 8.3 |
| Hillview Middle Whittier | 1.6 mi | 8.5 |
| Jordan Elementary Whittier | 1.6 mi | 6.0 |
| California High Whittier | 1.7 mi | 8.7 |
| Risingstar Christian Academy Whittier | 1.9 mi | — |
| Macy Elementary La Habra | 1.6 mi | 7.9 |
| Scott Avenue Elementary Whittier | 2.0 mi | 7.2 |
| Mulberry Tree Preschool Whittier | 1.7 mi | — |
| PRIMANTI MONTESSORI ACADEMY Whittier | 1.9 mi | 7.1 |
| PRIMANTI MONTESSORI ACADEMY Whittier | 1.9 mi | — |
| Carden Academy of Whittier Whittier | 1.8 mi | — |
| Granada Middle Whittier | 2.1 mi | 7.1 |
| CARDEN ACADEMY OF WHITTIER Whittier | 1.8 mi | 7.1 |
| Mulberry Elementary Whittier | 2.0 mi | 7.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 90605 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$100,825
Median Home Value
$662,000
Median Rent
$1,861/mo
Population
39,224
College Educated
22.9%
Homeownership
68%
Avg Commute
33.4 min
Poverty Rate
9.2%
Median Age
37.1
Community Profile
The community surrounding La Serna High has a median household income of $100,825. It is a community where 23% of adults hold a bachelor's degree or higher. The median home value in the area is $662,000, with a median rent of $1,861/month. The local poverty rate of 9.2% is relatively low. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Canyon Crest Academy Encinitas, CA | 8.2 |
| Evergreen Valley High San Jose, CA | 8.2 |
| Grover Cleveland Charter High Reseda, CA | 8.2 |
| Leigh High San Jose, CA | 8.2 |
| Leland High San Jose, CA | 8.2 |
| Murrieta Valley High Murrieta, CA | 8.2 |
Frequently Asked Questions
Common questions about La Serna High
What grades does La Serna High serve?
La Serna High serves students in grades 9th through 12th.
How many students attend La Serna High?
La Serna High has an enrollment of approximately 2,385 students.
What is the student-teacher ratio at La Serna High?
The student-teacher ratio at La Serna High is 26.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does La Serna High rank in CA?
La Serna High is ranked #1121 out of 9,533 schools in CA.
What is La Serna High's MySchoolScout rating?
La Serna High has a composite rating of 8.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at La Serna High?
Based on the most recent state assessment data, La Serna High has 41.8% math proficiency and 72.0% reading/ELA proficiency.
Is La Serna High a charter school?
No, La Serna High is not a charter school. It is a traditional public school operated by the local school district.
Is La Serna High a Title I school?
No, La Serna High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for La Serna High?
58.4% of students at La Serna High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Whittier). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,385
- Student-Teacher Ratio
- 26.8:1
- Teachers (FTE)
- 89
- Free/Reduced Lunch
- 58.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (562) 698-8121
- Data Year
- 2023–2024
Resources & Links
District
Whittier Union High- District Enrollment
- 10,223
- Schools in District
- 7
- Per-Pupil Spending
- $21,374
- District Rank
- #3 of 7
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.