Home > California > Los Angeles County > Whittier

La Serna High School

15301 East Youngwood Dr.
Whittier, CA 90605

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Top 30%

lshs.wuhsd.org

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 30% 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 is 37% (which is higher than the California state average of 34%). The percentage of students achieving 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 Facts (2025-26)

Grades: 9-12
Enrollment: 2,385 students
Student-Teacher Ratio: 27:1
Minority Enrollment: 89%
: 97% (Top 5% in CA)
: Top 30%
: 37% (Top 50%)
: 73% (Top 10%)
: 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:

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

View Data

Distribution of Students By Grade Trends
Grade	La Serna High School
9	568
10	640
11	578
12	599

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Total Students

2,385 students

View Data

Total Students Trends Over Years (1987-2023)
Year	La Serna High School
2023	2,410
2022	2,402
2021	2,569
2020	2,533
2019	2,533
2018	2,731
2017	2,731
2016	2,838
2015	2,940
2014	2,817
2013	2,816
2012	2,663
2011	2,535
2010	2,518
2009	2,431
2008	2,382
2007	2,410
2006	2,300
2005	2,238
2004	2,150
2003	2,074
2002	2,009
2001	1,934
2000	1,978
1999	1,998
1998	2,007
1997	2,015
1996	1,946
1995	1,945
1994	1,937
1993	1,829
1992	1,755
1991	1,751
1990	1,710
1989	1,507
1988	1,526
1987	1,618

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Gender %

Total Classroom Teachers

90 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	La Serna High School
2023	93
2022	94
2021	92
2020	96
2019	96
2018	100
2017	100
2016	102
2015	100
2014	92
2013	93
2012	91
2010	94
2009	95
2008	111
2007	94
2006	93
2005	91
2004	84
2003	84
2002	81
2001	80
2000	82
1999	80
1998	79
1997	78
1996	75
1995	74
1994	75
1993	68
1992	70
1991	69
1990	66

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Year Founded

1961

Colors

White, Crimson, Gold

School Mascot

Lancers

School Rankings

La Serna High School ranks within the top 30% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).

The 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.

This School

State Level (CA)

#2075 out of 9523 schools
(Top 30%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	La Serna High School
2023	#2075
2022	#1878
2021	#632
2019	#2760
2018	#2832
2017	#2092
2016	#1803
2015	#1739
2014	#487
2013	#2846
2012	#3284

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37%

34%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	37%	34%	34%
2022	41%	33%	31%
2021	45%	34%	42%
2019	37%	40%	33%
2018	36%	39%	29%
2017	40%	38%	28%
2016	42%	37%	30%
2015	37%	34%	28%
2014	74%	63%	71%
2013	63%	59%	63%
2012	63%	59%	59%

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73%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	La Serna High School	California	Whittier Union High School District
2022	73%	47%	61%
2021	71%	49%	65%
2019	70%	51%	58%
2018	68%	50%	29%
2017	76%	48%	61%
2016	77%	48%	60%
2015	74%	44%	64%
2014	71%	58%	61%
2013	67%	57%	60%
2012	64%	58%	54%
2011	73%	56%	62%

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35%

29%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	La Serna High School	California	Whittier Union High School District
2022	35%	29%	28%
2021	39%	28%	27%

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Student-Teacher Ratio

27:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	26:1	22:1	23:1
2022	26:1	21:1	23:1
2021	28:1	22:1	25:1
2020	26:1	23:1	25:1
2019	26:1	23:1	25:1
2018	27:1	23:1	26:1
2017	27:1	23:1	26:1
2016	28:1	24:1	27:1
2015	29:1	24:1	27:1
2014	31:1	24:1	29:1
2013	30:1	24:1	28:1
2012	29:1	23:1	28:1
2010	27:1	21:1	27:1
2009	26:1	20:1	26:1
2008	21:1	18:1	22:1
2007	26:1	21:1	25:1
2006	25:1	20:1	26:1
2005	25:1	21:1	26:1
2004	26:1	21:1	26:1
2003	25:1	20:1	25:1
2002	25:1	20:1	25:1
2001	24:1	20:1	25:1
2000	24:1	21:1	26:1
1999	25:1	21:1	26:1
1998	25:1	21:1	26:1
1997	26:1	23:1	26:1
1996	26:1	25:1	27:1
1995	26:1	25:1	27:1
1994	26:1	25:1	26:1
1993	27:1	25:1	26:1
1992	25:1	24:1	24:1
1991	25:1	24:1	24:1
1990	26:1	24:1	25:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (1990-1992)
Year	La Serna High School	California	Whittier Union High School District
1992	1%	1%	1%
1991	1%	1%	1%
1990	1%	1%	2%

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Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1992-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	5%	12%	3%
2022	5%	12%	3%
2021	5%	12%	4%
2020	4%	12%	3%
2019	4%	12%	3%
2018	5%	11%	2%
2017	5%	11%	2%
2016	3%	11%	1%
2014	5%	11%	3%
2013	5%	11%	3%
2012	5%	11%	3%
2011	5%	11%	4%
2010	5%	11%	4%
2009	4%	11%	3%
2008	4%	12%	4%
2007	5%	12%	4%
2006	5%	12%	3%
2005	6%	12%	4%
2004	6%	12%	3%
2003	5%	11%	3%
2002	5%	11%	3%
2001	5%	11%	3%
2000	4%	11%	3%
1999	4%	11%	4%
1998	4%	11%	4%
1997	4%	11%	4%
1996	5%	11%	5%
1995	5%	11%	4%
1994	5%	11%	6%
1993	6%	11%	5%
1992	5%	11%	5%

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Hispanic

82%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1992-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	82%	55%	90%
2022	81%	56%	90%
2021	81%	56%	89%
2020	80%	55%	89%
2019	80%	55%	89%
2018	79%	54%	89%
2017	79%	54%	89%
2016	78%	54%	89%
2014	74%	53%	87%
2013	72%	53%	86%
2012	55%	52%	81%
2011	59%	51%	82%
2010	67%	50%	84%
2009	65%	49%	83%
2008	63%	50%	82%
2007	60%	49%	81%
2006	58%	48%	80%
2005	56%	47%	78%
2004	56%	46%	77%
2003	55%	45%	77%
2002	54%	44%	75%
2001	54%	43%	74%
2000	53%	42%	73%
1999	54%	41%	72%
1998	54%	40%	71%
1997	52%	40%	70%
1996	52%	39%	68%
1995	51%	38%	67%
1994	50%	37%	64%
1993	48%	36%	63%
1992	46%	35%	61%

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Black

View Data

Black Student Percentage Comparison Over Years (1990-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	1%	5%	1%
2022	1%	5%	1%
2021	1%	5%	1%
2020	2%	5%	1%
2019	2%	5%	1%
2016	1%	6%
2014	1%	6%	1%
2013	1%	6%	1%
2012	1%	6%	1%
2011	1%	7%	1%
2010	1%	7%	1%
2009	1%	7%	1%
2008	1%	8%	1%
2007	1%	8%	1%
2006	1%	8%	2%
2005	1%	8%	2%
2004	1%	8%	2%
2003	1%	8%	1%
2002	1%	8%	2%
2000	1%	9%	2%
1999	1%	9%	1%
1998	1%	9%	1%
1997	1%	9%	2%
1995	1%	9%	2%
1993	1%	9%	1%
1992	1%	9%	1%
1991	1%	9%	1%
1990	1%	9%	1%

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White

11%

20%

View Data

White Student Percentage Comparison Over Years (1992-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	11%	21%	6%
2022	12%	21%	6%
2021	12%	22%	6%
2020	14%	23%	7%
2019	14%	23%	7%
2018	16%	24%	9%
2017	16%	24%	9%
2016	18%	24%	9%
2014	20%	25%	9%
2013	22%	25%	10%
2012	39%	26%	15%
2011	35%	27%	13%
2010	27%	27%	11%
2009	29%	28%	12%
2008	32%	29%	13%
2007	34%	29%	14%
2006	36%	31%	15%
2005	37%	31%	16%
2004	37%	32%	18%
2003	39%	34%	19%
2002	40%	35%	20%
2001	41%	36%	21%
2000	42%	37%	21%
1999	41%	38%	23%
1998	41%	39%	23%
1997	43%	39%	24%
1996	43%	40%	26%
1995	43%	41%	27%
1994	45%	42%	29%
1993	45%	43%	30%
1992	47%	44%	32%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	1%	6%
2022	1%	5%
2021	1%	5%
2009	1%	3%	1%

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All Ethnic Groups

0.32

0.63

View Data

Diversity Score Comparison Over Years (1992-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	0.32	0.64	0.19
2022	0.33	0.63	0.20
2021	0.33	0.62	0.20
2020	0.34	0.63	0.21
2019	0.34	0.63	0.21
2018	0.35	0.64	0.21
2017	0.35	0.64	0.21
2016	0.36	0.64	0.21
2014	0.40	0.65	0.23
2013	0.44	0.65	0.25
2012	0.55	0.65	0.32
2011	0.53	0.67	0.31
2010	0.48	0.67	0.28
2009	0.50	0.71	0.30
2008	0.50	0.65	0.31
2007	0.54	0.67	0.33
2006	0.55	0.66	0.34
2005	0.55	0.67	0.36
2004	0.56	0.67	0.38
2003	0.55	0.67	0.38
2002	0.55	0.67	0.40
2001	0.54	0.67	0.41
2000	0.55	0.67	0.43
1999	0.54	0.67	0.44
1998	0.54	0.67	0.45
1997	0.55	0.67	0.46
1996	0.55	0.67	0.47
1995	0.56	0.67	0.48
1994	0.55	0.67	0.50
1993	0.57	0.67	0.52
1992	0.57	0.67	0.53

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97%

87%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	97%	87%	91%
2022	97%	87%	93%
2021	98%	84%	91%
2020	96%	85%	91%
2019	98%	84%	92%
2018	97%	84%	90%
2017	98%	83%	89%
2016	98%	83%	90%
2015	96%	89%	89%
2014	95%	88%	90%
2013	96%	87%	87%

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Eligible for

40%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	40%	51%	60%
2022	36%	51%	56%
2021	36%	53%	54%
2020	38%	52%	58%
2019	38%	52%	58%
2018	31%	49%	51%
2017	31%	49%	51%
2016	30%	50%	51%
2015	30%	50%	52%
2014	28%	49%	50%
2013	29%	48%	49%
2011	26%	46%	46%
2010	21%	46%	40%
2009	14%	43%	31%
2008	11%	41%	29%
2007	13%	40%	31%
2006	12%	40%	30%
2005	12%	40%	28%
2004	9%	40%	24%
2003	8%	39%	24%
2002	9%	39%	24%
2001	10%	39%	24%
2000	12%	40%	25%
1999	19%	40%	29%
1998	16%	47%	26%
1997	18%	47%	29%
1996	21%	46%	30%
1995	20%	45%	25%
1994	22%	43%	23%
1993	13%	41%	10%
1992	11%	38%	8%

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Eligible for

19%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2002-2023)
Year	La Serna High School	California	Whittier Union High School District
2023	17%	8%	17%
2022	18%	7%	18%
2021	10%	6%	13%
2020	12%	7%	14%
2019	12%	7%	14%
2018	15%	9%	16%
2017	15%	9%	16%
2016	13%	9%	16%
2015	13%	9%	15%
2014	14%	9%	17%
2013	13%	7%	16%
2011	10%	8%	14%
2010	8%	9%	15%
2009	6%	10%	14%
2008	4%	10%	13%
2007	5%	10%	13%
2006	5%	9%	11%
2005	5%	9%	11%
2004	3%	9%	8%
2003	2%	9%	8%
2002	1%	8%	6%

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School Statewide Testing

View Education Department Test Scores

School District Name

Whittier Union High School District

Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Notes

School Mascot: Lancers

Profile last updated: 02/09/2025

Frequently Asked Questions

What is La Serna High School's ranking?

La Serna High School is ranked #2075 out of 9,523 schools, which ranks it among the top 30% 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?

37% of students have achieved math proficiency (compared to the 34% 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

Thanksgiving Break- no school (Events)

November 24, 2025 (Monday)

Spring Break- no school (Events)

March 23, 2026 (Monday)

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Quick Facts (2025-26)

Grades: 9-12
Enrollment: 2,385 students
Student-Teacher Ratio: 27:1
Minority Enrollment: 89%
: 97% (Top 5%)
: Top 30%
: 37% (Top 50%)
: 73% (Top 10%)
: 35% (Top 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education