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Very Good

#1833 of 9,539 schools in CA

Top 19% 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

7.9

Grades

9th – 12th

Data vintage2022-23

How this school compares

California schools

#1,833 of 9,539

In Whittier

#14 of 42

public schools

In district

#3 of 7

Whittier Union High

Equity

9.1 / 10

Excellent

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La Serna High

7.9/10

High School in Whittier · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Murphy Ranch Elementary

8.0/10

0.8 mi away. Use as a geographic alternative in the same move search.

Leffingwell Elementary

8.6/10

1.1 mi away. Use as a geographic alternative in the same move search.

About La Serna High

La Serna High is a public high school in Whittier, CA, part of Whittier Union High. La Serna High serves approximately 2,385 students, and covers grades 9th-12th, and has a 26.8:1 student-teacher ratio. La Serna High has a current MySchoolScout rating of 7.9 out of 10 and ranks #1,833 of 9,539 schools in CA.

Structured state assessment records for La Serna High show 49% math proficiency (multi-year average, 2009-2024) and 71% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.6 pts above district
  • This school 7.9 · Very Good
  • District avg 7.3
  • CA avg 6.5

What Parents Should Know

La Serna High is a large school: 2,385 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.

La Serna High runs 26.8:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.8Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.88 pts/yr
Data Period2009–2024
TrendStable
Academics9.0Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency42.6% (2024 CAASPP)
Reading/ELA Proficiency73.6% (2024 CAASPP)
Math vs. State Avg+14.6 pts
Reading vs. State Avg+17.7 pts
Overall Proficiency58% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)41% (model expectation from 2024 CAASPP)
vs. Expected+16.6 pts
Adjusted Percentile85th
College Readiness8.5Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate98%
AP Participation32.1%
IB ProgramNo
Resources & Environment5.8Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio26.8:1
Per-Pupil Spending$21,374
Chronic Absenteeism19.5%

La Serna High — Students at La Serna High score 58% proficient, which is above what's typical for similar communities (expected: 41%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

58.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 49.0% (multi-year average, 2009-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 70.6% (multi-year average, 2009-2024)
School
State
51.5% (2024 CAASPP)

Based on 30 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
64%
ELA
60%
2010
Math
67%
ELA
73%
2011
Math
63%
ELA
64%
2012
Math
63%
ELA
67%
2013
Math
74%
ELA
71%
2014
Math
37%
ELA
74%
2015
Math
42%
ELA
77%
2016
Math
40%
ELA
76%
2017
Math
36%
ELA
68%
2018
Math
37%
ELA
70%
2019
Math
37%
ELA
70%
2020*
Math
45%
ELA
71%
2021*
Math
45%
ELA
71%
2024
Math
42.7%
ELA
73.6%

* 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: 7.8/10.

How La Serna High Compares

See how La Serna High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.9/10
81th percentile in CA
Academic
9.0/10
Excellent
Growth
7.8/10
Very Good
Environment
5.8/10
Average
AP Courses
4
State avg: 2.6
Sports
20
10 boys' · 10 girls'
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
58%
Teaching Staff
27:1 student-teacher ratio
89 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
19.5%

Programs & Offerings

AP/IB Programs4 AP courses offered
32.1% participation·State avg: 2.6 AP courses·CRDC 2021-22
Athletics20sports offered
10 boys'·10 girls'·42 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

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. Leffingwell Elementary (rated 8.6/10, 1.1 miles away), which scores slightly higher. Another option is Ocean View Elementary (rated 8.6/10, 1.2 miles away), which scores slightly higher. Additionally, Granada Middle (rated 8.3/10, 2.1 miles away), which scores slightly higher. 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 8.0
Leffingwell Elementary Whittier 1.1 mi 8.6
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 7.9
Ocean View Elementary Whittier 1.2 mi 8.6
Orchard Dale Elementary Whittier 1.4 mi 6.2
Hillview Middle Whittier 1.6 mi 8.1
Jordan Elementary Whittier 1.6 mi 6.6
California High Whittier 1.7 mi 8.0
Risingstar Christian Academy Whittier 1.9 mi
Macy Elementary La Habra 1.6 mi 4.5
Scott Avenue Elementary Whittier 2.0 mi 5.2
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 8.3
CARDEN ACADEMY OF WHITTIER Whittier 1.8 mi 7.1
Mulberry Elementary Whittier 2.0 mi 6.2

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

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Aliso Niguel High Aliso Viejo, CA 7.9
Aragon High San Mateo, CA 7.9
Capistrano Valley High Mission Viejo, CA 7.9
Clovis High Clovis, CA 7.9
El Toro High Lake Forest, CA 7.9
Foothill High Tustin, CA 7.9

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 ranks #1,833 of 9,539 schools in CA.

What is La Serna High's MySchoolScout rating?

La Serna High has a current MySchoolScout rating of 7.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at La Serna High?

Based on loaded state assessment records, La Serna High has 49% math proficiency (multi-year average, 2009-2024) and 71% reading/ELA proficiency (multi-year average, 2009-2024).

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
20 Car-Dependent
Bike Score
27 Somewhat Bikeable

Powered by Walk Score

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
Chronic Absenteeism (SY 2022-23)
19.5%
4-Year Graduation
98.0%

District

Whittier Union High
District Enrollment
10,223
Schools in District
7
Per-Pupil Spending
$21,374
District Rank
#3 of 7

How we rate schools

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