Item: William S. Hart Union High School District
Rating: 9
Author: 51�Թ�������

Home > California > Los Angeles County

William S. Hart Union High School District

21380 Centre Pointe Pkwy.
Santa Clarita, CA 91350-2948

( shown in map)

Top 20%

Tel: (661) 259-0033

Top Rankings

William S. Hart Union High School District ranks among the top 20% of public school district in California for:

Overview

This School District

This State (CA)

# Schools

16 Schools

2,817 Schools

# Students

20,653 Students

2,139,525 Students

# Teachers

941 Teachers

100,737 Teachers

Student-Teacher Ratio

22:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	William S. Hart Union High School District	California
7	17	19
8	32	20
9	3,386	227
10	3,535	232
11	3,680	228
12	3,888	239

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

District Rank

William S. Hart Union High School District, which is ranked #267 of all 1,910 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

The school district's graduation rate of 95% has decreased from 96% over five school years.

This School District

State Average (CA)

#263 out of 1932 school districts
(Top 20%)

View Data

Overall School District Rank Trends
Year	William S. Hart Union High School District
2023	#263
2022	#311
2021	#1070
2019	#231
2018	#175
2017	#166
2016	#121
2015	#151
2014	#164
2013	#183
2012	#241

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

45%

34%

View Data

Math Proficiency Trends
Year	William S. Hart Union High School District	California
2023	45%	34%
2022	41%	33%
2021	15%	34%
2019	52%	40%
2018	52%	39%
2017	48%	38%
2016	52%	37%
2015	48%	34%
2014	73%	63%
2013	69%	59%
2012	66%	59%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

68%

47%

View Data

Reading and Language Arts Proficiency Trends
Year	William S. Hart Union High School District	California
2022	68%	47%
2021	15%	49%
2019	72%	51%
2018	52%	50%
2017	68%	48%
2016	72%	48%
2015	66%	44%
2014	70%	58%
2013	71%	57%
2012	70%	58%
2011	70%	56%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

44%

29%

View Data

Science Proficiency Trends
Year	William S. Hart Union High School District	California
2022	44%	29%
2021	20%	28%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

95%

87%

View Data

Graduation Rate Trends
Year	William S. Hart Union High School District	California
2023	95%	87%
2022	97%	87%
2021	95%	84%
2020	94%	85%
2019	94%	84%
2018	96%	84%
2017	94%	83%
2016	95%	83%
2015	95%	89%
2014	95%	88%
2013	93%	87%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Students by Ethnicity:

0.68

0.63

View Data

Comparison of Diversity Score Trends
Year	William S. Hart Union High School District	California
2023	0.68	0.64
2022	0.68	0.63
2021	0.68	0.62
2020	0.68	0.63
2019	0.68	0.63
2018	0.68	0.64
2017	0.68	0.64
2016	0.67	0.64
2015	0.66	0.64
2014	0.66	0.65
2013	0.66	0.65
2012	0.66	0.65
2011	0.65	0.67
2010	0.64	0.67
2009	0.63	0.71
2008	0.61	0.65
2007	0.60	0.67
2006	0.58	0.66
2005	0.57	0.67
2004	0.55	0.67
2003	0.53	0.67
2002	0.51	0.67
2001	0.49	0.67
2000	0.46	0.67
1999	0.45	0.67
1998	0.44	0.67
1997	0.43	0.67
1996	0.41	0.67
1995	0.40	0.67
1994	0.40	0.67
1993	0.40	0.67
1992	0.38	0.67
1991	0.35	0.67

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% American Indian

n/a

% Asian

14%

11%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	William S. Hart Union High School District	California
2023	14%	12%
2022	14%	12%
2021	13%	12%
2020	13%	12%
2019	13%	12%
2018	12%	11%
2017	12%	11%
2016	11%	11%
2015	11%	11%
2014	11%	11%
2013	11%	11%
2012	11%	11%
2011	12%	11%
2010	11%	11%
2009	12%	11%
2008	12%	12%
2007	11%	12%
2006	10%	12%
2005	11%	12%
2004	9%	12%
2003	8%	11%
2002	7%	11%
2001	7%	11%
2000	7%	11%
1999	6%	11%
1998	6%	11%
1997	6%	11%
1996	5%	11%
1995	5%	11%
1994	5%	11%
1993	5%	11%
1992	4%	11%
1991	4%	11%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hispanic

45%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	William S. Hart Union High School District	California
2023	44%	55%
2022	43%	56%
2021	42%	56%
2020	40%	55%
2019	40%	55%
2018	40%	54%
2017	40%	54%
2016	39%	54%
2015	38%	54%
2014	35%	53%
2013	35%	53%
2012	34%	52%
2011	32%	51%
2010	32%	50%
2009	30%	49%
2008	28%	50%
2007	27%	49%
2006	26%	48%
2005	25%	47%
2004	25%	46%
2003	24%	45%
2002	23%	44%
2001	21%	43%
2000	20%	42%
1999	19%	41%
1998	19%	40%
1997	18%	40%
1996	18%	39%
1995	17%	38%
1994	18%	37%
1993	17%	36%
1992	17%	35%
1991	15%	34%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	William S. Hart Union High School District	California
2023	4%	5%
2022	4%	5%
2021	4%	5%
2020	4%	5%
2019	4%	5%
2018	4%	6%
2017	4%	6%
2016	5%	6%
2015	5%	6%
2014	4%	6%
2013	5%	6%
2012	5%	6%
2011	5%	7%
2010	5%	7%
2009	5%	7%
2008	5%	8%
2007	5%	8%
2006	5%	8%
2005	4%	8%
2004	4%	8%
2003	4%	8%
2002	4%	8%
2001	4%	8%
2000	3%	9%
1999	3%	9%
1998	3%	9%
1997	3%	9%
1996	3%	9%
1995	2%	9%
1994	2%	9%
1993	2%	9%
1992	2%	9%
1991	2%	9%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% White

32%

22%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	William S. Hart Union High School District	California
2023	34%	21%
2022	35%	21%
2021	37%	22%
2020	38%	23%
2019	38%	23%
2018	39%	24%
2017	39%	24%
2016	41%	24%
2015	42%	24%
2014	46%	25%
2013	46%	25%
2012	47%	26%
2011	49%	27%
2010	50%	27%
2009	52%	28%
2008	55%	29%
2007	57%	29%
2006	58%	31%
2005	60%	31%
2004	62%	32%
2003	64%	34%
2002	66%	35%
2001	68%	36%
2000	70%	37%
1999	72%	38%
1998	72%	39%
1997	73%	39%
1996	74%	40%
1995	76%	41%
1994	75%	42%
1993	76%	43%
1992	77%	44%
1991	79%	45%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	William S. Hart Union High School District	California
2023	4%	6%
2022	4%	5%
2021	4%	5%
2020	5%	4%
2019	5%	4%
2018	5%	4%
2017	5%	4%
2016	4%	4%
2015	4%	3%
2014	4%	3%
2013	3%	3%
2012	3%	3%
2011	2%	2%
2010	2%	3%
2009	1%	3%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

District Revenue and Spending

The revenue/student of $21,204 is higher than the state median of $19,974. The school district revenue/student has grown by 5% over four school years.

The school district's spending/student of $15,499 is less than the state median of $18,396. The school district spending/student has grown by 5% over four school years.

This School District

This State (CA)

Total Revenue

$438 MM

$116,387 MM

View Data

Total Revenues Trends
Year	William S. Hart Union High School District	California
2023	$438 MM	$8 MM
2022	$300 MM	$7 MM
2021	$438 MM	$8 MM
2020	$300 MM	$7 MM
2019	$327 MM	$7 MM
2018	$312 MM	$29 MM
2017	$311 MM	$26 MM
2016	$313 MM	$24 MM
2015	$214 MM	$17 MM
2014	$245 MM	$21 MM
2012	$231 MM	$19 MM
2011	$220 MM	$19 MM
2010	$214 MM	$17 MM
2009	$218 MM	$19 MM
2008	$241 MM	$19 MM
2007	$227 MM	$19 MM
2006	$190 MM	$17 MM
2005	$218 MM	$16 MM
2004	$277 MM	$16 MM
2003	$214 MM	$16 MM
2002	$160 MM	$15 MM
2001	$133 MM	$15 MM
2000	$116 MM	$13 MM
1999	$92 MM	$12 MM
1998	$83 MM	$11 MM
1997	$77 MM	$10 MM
1996	$67 MM	$9 MM
1995	$66 MM	$8 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending

$320 MM

$107,188 MM

View Data

Total Expenditure Trends
Year	William S. Hart Union High School District	California
2023	$320 MM	$7 MM
2022	$350 MM	$7 MM
2021	$320 MM	$7 MM
2020	$350 MM	$7 MM
2019	$380 MM	$7 MM
2018	$354 MM	$29 MM
2017	$338 MM	$24 MM
2016	$305 MM	$23 MM
2015	$220 MM	$18 MM
2014	$245 MM	$21 MM
2012	$213 MM	$19 MM
2011	$206 MM	$19 MM
2010	$220 MM	$18 MM
2009	$220 MM	$18 MM
2008	$250 MM	$19 MM
2007	$255 MM	$18 MM
2006	$235 MM	$17 MM
2005	$300 MM	$16 MM
2004	$260 MM	$17 MM
2003	$189 MM	$15 MM
2002	$136 MM	$16 MM
2001	$127 MM	$14 MM
2000	$109 MM	$13 MM
1999	$92 MM	$11 MM
1998	$80 MM	$11 MM
1997	$73 MM	$10 MM
1996	$66 MM	$8 MM
1995	$69 MM	$8 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Revenue / Student

$21,204

$19,974

View Data

Average Revenue Per Student Trends
Year	William S. Hart Union High School District	California
2023	$20,882	$15,607
2022	$13,533	$14,213
2021	$20,148	$15,669
2020	$13,533	$14,213
2019	$14,591	$14,063
2018	$12,477	$16,033
2017	$11,597	$16,692
2016	$11,533	$15,604
2015	$7,957	$10,238
2014	$9,567	$11,786
2012	$8,745	$11,929
2011	$8,423	$11,681
2010	$8,147	$10,238
2009	$8,525	$11,099
2008	$9,538	$11,762
2007	$9,322	$11,879
2006	$8,089	$10,859
2005	$9,803	$10,445
2004	$13,091	$10,566
2003	$10,674	$10,456
2002	$8,681	$9,803
2001	$7,852	$10,568
2000	$7,326	$8,943
1999	$6,129	$8,203
1998	$5,901	$7,395
1997	$5,808	$6,922
1995	$5,643	$5,953
1992	$4,849	$5,430

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending / Student

$15,499

$18,396

View Data

Average Expenditure Per Student Trends
Year	William S. Hart Union High School District	California
2023	$15,264	$13,914
2022	$15,800	$13,602
2021	$14,728	$13,970
2020	$15,800	$13,602
2019	$16,964	$13,522
2018	$14,153	$16,124
2017	$12,617	$15,588
2016	$11,239	$14,779
2015	$8,150	$10,739
2014	$9,557	$11,804
2012	$8,062	$12,155
2011	$7,882	$11,509
2010	$8,344	$10,739
2009	$8,577	$10,975
2008	$9,915	$11,678
2007	$10,501	$11,317
2006	$10,007	$10,926
2005	$13,494	$10,789
2004	$12,322	$11,073
2003	$9,446	$10,210
2002	$7,372	$10,600
2001	$7,485	$10,007
2000	$6,869	$9,131
1999	$6,136	$7,911
1998	$5,686	$7,592
1997	$5,532	$6,759
1995	$5,927	$6,033
1992	$4,668	$5,588

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Recent Articles

September 05, 2025

School Choice vs. Neighborhood Schools: Key Factors

Explore school choice vs. neighborhood schools in 2025. Learn key factors parents should weigh when deciding the best fit for their child.

September 05, 2025

Best School Match 2025: Public vs Charter vs Magnet

Compare 2025 public, charter, and magnet school options with updated data, trends, and strategies to find the best fit.

September 05, 2025

Public School Boundaries and Equity in 2025

Explore how public school boundaries shape access, equity, and opportunity for students in 2025. Learn the impact on families and education policy.

Quick Facts (2025-26)

District size: 16 schools
Grades: KG-12
Enrollment: 20,653 students
Student-Teacher Ratio: 22:1
Minority Enrollment: 68%
: 95% (Top 5% in CA)
: Top 20%
: 45% (Top 20%)
: 68% (Top 20%)
: 44% (Top 30%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education