La Serna High School is a public high school in Whittier, California that was founded in 1961 and is part of the Whittier Union High School District. The school has been honored five times as a California Distinguished School most recently in 2021. The school's colors are crimson, gold, and white.
Serving 2,385 students in grades 9-12, La Serna High School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 41% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 73% (which is higher than the California state average of 47%).
The student:teacher ratio of 27:1 is higher than the California state level of 21:1.
Minority enrollment is 89% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,385 students
- Student:Teacher Ratio: 27:1
- Minority Enrollment: 89%
- Graduation Rate: 97% (Top 10% in CA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 41% (Top 50%)
- Reading Proficiency: 73% (Top 10%)
- Science Proficiency: 35% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
La Serna High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Graduation Rate
School Overview
La Serna High School's student population of 2,385 students has declined by 5% over five school years.
The teacher population of 90 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
2,385 students
Gender %
Total Classroom Teachers
90 teachers
Year Founded
1961
Colors
White, Crimson, Gold
School Rankings
La Serna High School ranks within the top 20% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of La Serna High School is 0.32, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1878 out of 9602 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
41%
33%
Reading/Language Arts Test Scores (% Proficient)
73%
47%
Science Test Scores (% Proficient)
35%
29%
Student : Teacher Ratio
27:1
21:1
American Indian
1%
1%
Asian
4%
12%
Hispanic
82%
56%
Black
1%
5%
White
11%
20%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Graduation Rate
97%
87%
Eligible for Free Lunch
40%
54%
Eligible for Reduced Lunch
19%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Lancer
Profile last updated: 02/09/2025
Frequently Asked Questions
What is La Serna High School's ranking?
La Serna High School is ranked #1878 out of 9,602 schools, which ranks it among the top 20% of public schools in California.
What schools are La Serna High School often compared to?
La Serna High Schoolis often viewed alongside schools like California High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
41% of students have achieved math proficiency (compared to the 33% CA state average), while 73% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of La Serna High School?
The graduation rate of La Serna High School is 97%, which is higher than the California state average of 87%.
How many students attend La Serna High School?
2,385 students attend La Serna High School.
What is the racial composition of the student body?
82% of La Serna High School students are Hispanic, 11% of students are White, 4% of students are Asian, 1% of students are American Indian, 1% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of La Serna High School?
La Serna High School has a student ration of 27:1, which is higher than the California state average of 21:1.
What grades does La Serna High School offer ?
La Serna High School offers enrollment in grades 9-12
What school district is La Serna High School part of?
La Serna High School is part of Whittier Union High School District.
School Calendar
View the La Serna High School yearly calendar below. Note key dates such as:
Event
Date
Freshman first day (Events)
August 12, 2025 (Tuesday)
First day of school (Events)
August 13, 2025 (Wednesday)
Thanksgiving Break- no school (Events)
November 24, 2025 (Monday)
Spring Break- no school (Events)
March 23, 2026 (Monday)
School Reviews
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