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William S. Hart Union High School District

Item: William S. Hart Union High School District
Rating: 9
Author: Public School Review

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

( shown in map)

Top 20%

Tel: (661) 259-0033

www.hartdistrict.org

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

10,347 Schools

# Students

20,465 Students

5,790,405 Students

# Teachers

885 Teachers

267,593 Teachers

Student-Teacher Ratio

23:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	William S. Hart Union High School District	California
7	3,047	213
8	3,110	216
9	3,523	231
10	3,385	225
11	3,553	226
12	3,847	235

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District Rank

William S. Hart Union High School District, which is ranked #269 of all 1,904 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

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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%

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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%

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44%

29%

View Data

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

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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%

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Students by Ethnicity:

0.68

0.63

View Data

Comparison of Diversity Score Trends
Year	William S. Hart Union High School District	California
2024	0.68	0.63
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
1990	0.33	0.66
1989	0.30	0.65
1988	0.27	0.65

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% American Indian

n/a

% Asian

14%

12%

View Data

Asian Student Percentage Comparison Over Years (1988-2024)
Year	William S. Hart Union High School District	California
2024	15%	12%
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%
1990	4%	10%
1989	4%	10%
1988	3%	10%

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% Hispanic

45%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1988-2024)
Year	William S. Hart Union High School District	California
2024	44%	56%
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%
1990	13%	33%
1989	12%	31%
1988	11%	30%

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% Black

View Data

Black Student Percentage Comparison Over Years (1988-2024)
Year	William S. Hart Union High School District	California
2024	4%	5%
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%
1990	2%	9%
1989	2%	9%
1988	2%	9%

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% White

32%

20%

View Data

White Student Percentage Comparison Over Years (1988-2024)
Year	William S. Hart Union High School District	California
2024	33%	20%
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%
1990	81%	47%
1989	82%	49%
1988	84%	50%

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% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2010-2024)
Year	William S. Hart Union High School District	California
2024	4%	6%
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%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $21,399 is higher than the state median of $20,100. The school district revenue/student has grown by 58% over four school years.

The school district's spending/student of $15,642 is less than the state median of $18,511. The school district spending/student has stayed relatively flat 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

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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

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Revenue / Student

$21,399

$20,100

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

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Spending / Student

$15,642

$18,511

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

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Frequently Asked Questions

How many schools belong to William S. Hart Union High School District?

William S. Hart Union High School District manages 16 public schools serving 20,465 students.

What is the rank of William S. Hart Union High School District?

William S. Hart Union High School District is ranked #269 out of 1,904 school districts in California (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of California school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 20%), Highest graduation rate (Top 5%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)

What is the racial composition of students in William S. Hart Union High School District?

45% of William S. Hart Union High School District students are Hispanic, 32% of students are White, 14% of students are Asian, 5% of students are Two or more races, and 4% of students are Black.

What is the student/teacher ratio of William S. Hart Union High School District?

William S. Hart Union High School District has a student/teacher ratio of 23:1, which is higher than the California state average of 22:1.

What is William S. Hart Union High School District's spending/student ratio?

The school district's spending/student of $15,642 is less than the state median of $18,511. The school district spending/student has stayed relatively flat over four school years.

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Quick Facts (2026)

District size: 16 schools
Grades: K-12
Enrollment: 20,465 students
Student-Teacher Ratio: 23:1
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