Item: San Mateo Union High School District
Rating: 10
Author: 51����

Home > California > San Mateo County

San Mateo Union High School District

650 North Delaware St.
San Mateo, CA 94401-1795

( shown in map)

10/

Top 10%

Tel: (650) 558-2299

Top Rankings

San Mateo Union High School District ranks among the top 20% of public school district in California for:

Overview

This School District

This State (CA)

# Schools

9 Schools

10,360 Schools

# Students

8,799 Students

5,825,797 Students

# Teachers

457 Teachers

267,978 Teachers

Student-Teacher Ratio

19:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	San Mateo Union High School District	California
9	2,071	227
10	2,108	232
11	2,162	228
12	2,458	240

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District Rank

San Mateo Union High School District, which is ranked #190 of all 1,908 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 91% has decreased from 92% over five school years.

This School District

State Average (CA)

#171 out of 1932 school districts
(Top 10%)

View Data

Overall School District Rank Trends
Year	San Mateo Union High School District
2023	#171
2022	#185
2019	#296
2018	#175
2017	#89
2016	#89
2015	#79
2014	#142
2013	#142
2012	#130
2011	#125

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49%

34%

View Data

Math Proficiency Trends
Year	San Mateo Union High School District	California
2023	49%	34%
2022	49%	33%
2019	50%	40%
2018	52%	39%
2017	56%	38%
2016	56%	37%
2015	55%	34%
2014	75%	63%
2013	74%	59%
2012	75%	59%
2011	73%	58%

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76%

47%

View Data

Reading and Language Arts Proficiency Trends
Year	San Mateo Union High School District	California
2022	76%	47%
2019	70%	51%
2018	52%	50%
2017	77%	48%
2016	78%	48%
2015	76%	44%
2014	73%	58%
2013	72%	57%
2012	74%	58%
2011	73%	56%
2010	73%	54%

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51%

29%

91%

87%

View Data

Graduation Rate Trends
Year	San Mateo Union High School District	California
2023	91%	87%
2022	92%	87%
2021	92%	84%
2020	91%	85%
2019	93%	84%
2018	92%	84%
2017	90%	83%
2016	91%	83%
2015	92%	89%
2014	95%	88%
2013	94%	87%

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Students by Ethnicity:

0.73

0.63

View Data

Comparison of Diversity Score Trends
Year	San Mateo Union High School District	California
2023	0.74	0.64
2022	0.74	0.63
2021	0.74	0.62
2020	0.73	0.63
2019	0.73	0.63
2018	0.73	0.64
2017	0.73	0.64
2016	0.73	0.64
2015	0.73	0.64
2014	0.75	0.65
2013	0.75	0.65
2012	0.75	0.65
2011	0.75	0.67
2010	0.71	0.67
2009	0.73	0.71
2008	0.68	0.65
2007	0.68	0.67
2006	0.68	0.66
2005	0.67	0.67
2004	0.67	0.67
2003	0.66	0.67
2002	0.65	0.67
2001	0.65	0.67
2000	0.64	0.67
1999	0.65	0.67
1998	0.65	0.67
1997	0.65	0.67
1996	0.65	0.67
1995	0.64	0.67
1994	0.63	0.67
1993	0.63	0.67
1992	0.62	0.67
1991	0.61	0.67

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% American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1992-2008)
Year	San Mateo Union High School District	California
2008	1%	1%
1997	1%	1%
1992	1%	1%

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% Asian

29%

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	San Mateo Union High School District	California
2023	28%	12%
2022	28%	12%
2021	28%	12%
2020	28%	12%
2019	28%	12%
2018	28%	11%
2017	28%	11%
2016	28%	11%
2015	28%	11%
2014	28%	11%
2013	29%	11%
2012	27%	11%
2011	27%	11%
2010	30%	11%
2009	29%	11%
2008	33%	12%
2007	33%	12%
2006	32%	12%
2005	31%	12%
2004	31%	12%
2003	28%	11%
2002	29%	11%
2001	29%	11%
2000	28%	11%
1999	29%	11%
1998	28%	11%
1997	27%	11%
1996	27%	11%
1995	26%	11%
1994	26%	11%
1993	26%	11%
1992	25%	11%
1991	25%	11%

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% Hispanic

35%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	San Mateo Union High School District	California
2023	33%	55%
2022	32%	56%
2021	32%	56%
2020	31%	55%
2019	31%	55%
2018	33%	54%
2017	33%	54%
2016	32%	54%
2015	32%	54%
2014	29%	53%
2013	29%	53%
2012	29%	52%
2011	29%	51%
2010	26%	50%
2009	25%	49%
2008	24%	50%
2007	24%	49%
2006	23%	48%
2005	22%	47%
2004	22%	46%
2003	22%	45%
2002	21%	44%
2001	20%	43%
2000	20%	42%
1999	19%	41%
1998	20%	40%
1997	19%	40%
1996	20%	39%
1995	19%	38%
1994	18%	37%
1993	18%	36%
1992	17%	35%
1991	16%	34%

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% Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	San Mateo Union High School District	California
2023	1%	5%
2022	1%	5%
2021	1%	5%
2020	1%	5%
2019	1%	5%
2018	1%	6%
2017	1%	6%
2016	1%	6%
2015	1%	6%
2014	1%	6%
2013	1%	6%
2012	2%	6%
2011	2%	7%
2010	3%	7%
2009	3%	7%
2008	3%	8%
2007	3%	8%
2006	3%	8%
2005	3%	8%
2004	3%	8%
2003	3%	8%
2002	2%	8%
2001	2%	8%
2000	3%	9%
1999	3%	9%
1998	3%	9%
1997	3%	9%
1996	3%	9%
1995	3%	9%
1994	4%	9%
1993	4%	9%
1992	4%	9%
1991	3%	9%

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% White

24%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	San Mateo Union High School District	California
2023	26%	21%
2022	27%	21%
2021	27%	22%
2020	7%	23%
2019	7%	23%
2018	29%	24%
2017	29%	24%
2016	29%	24%
2015	29%	24%
2014	30%	25%
2013	29%	25%
2012	30%	26%
2011	31%	27%
2010	37%	27%
2009	37%	28%
2008	39%	29%
2007	40%	29%
2006	42%	31%
2005	44%	31%
2004	44%	32%
2003	47%	34%
2002	48%	35%
2001	49%	36%
2000	49%	37%
1999	49%	38%
1998	49%	39%
1997	50%	39%
1996	50%	40%
1995	52%	41%
1994	52%	42%
1993	52%	43%
1992	53%	44%
1991	56%	45%

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% Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2009-2015)
Year	San Mateo Union High School District	California
2015	2%	1%
2014	3%	1%
2013	3%	1%
2012	3%	1%
2011	3%	1%
2010	4%	1%
2009	4%	1%

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% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2011-2023)
Year	San Mateo Union High School District	California
2023	10%	6%
2022	10%	5%
2021	10%	5%
2020	31%	4%
2019	31%	4%
2018	7%	4%
2017	7%	4%
2016	8%	4%
2015	8%	3%
2014	9%	3%
2013	9%	3%
2012	9%	3%
2011	8%	2%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $29,814 is higher than the state median of $19,978. The school district revenue/student has stayed relatively flat over four school years.

The school district's spending/student of $26,074 is higher than the state median of $18,399. The school district spending/student has stayed relatively flat over four school years.

This School District

This State (CA)

Total Revenue

$262 MM

$116,387 MM

View Data

Total Revenues Trends
Year	San Mateo Union High School District	California
2023	$262 MM	$8 MM
2022	$237 MM	$7 MM
2021	$262 MM	$8 MM
2020	$237 MM	$7 MM
2019	$236 MM	$7 MM
2018	$219 MM	$29 MM
2017	$201 MM	$26 MM
2016	$193 MM	$24 MM
2015	$140 MM	$17 MM
2014	$156 MM	$21 MM
2012	$179 MM	$19 MM
2011	$138 MM	$19 MM
2010	$140 MM	$17 MM
2009	$130 MM	$19 MM
2008	$119 MM	$19 MM
2007	$112 MM	$19 MM
2006	$102 MM	$17 MM
2005	$98 MM	$16 MM
2004	$105 MM	$16 MM
2003	$95 MM	$16 MM
2002	$97 MM	$15 MM
2001	$115 MM	$15 MM
2000	$80 MM	$13 MM
1999	$65 MM	$12 MM
1998	$63 MM	$11 MM
1997	$59 MM	$10 MM
1996	$57 MM	$9 MM
1995	$55 MM	$8 MM

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Spending

$229 MM

$107,188 MM

View Data

Total Expenditure Trends
Year	San Mateo Union High School District	California
2023	$229 MM	$7 MM
2022	$226 MM	$7 MM
2021	$229 MM	$7 MM
2020	$226 MM	$7 MM
2019	$233 MM	$7 MM
2018	$216 MM	$29 MM
2017	$209 MM	$24 MM
2016	$193 MM	$23 MM
2015	$152 MM	$18 MM
2014	$157 MM	$21 MM
2012	$204 MM	$19 MM
2011	$197 MM	$19 MM
2010	$152 MM	$18 MM
2009	$140 MM	$18 MM
2008	$117 MM	$19 MM
2007	$124 MM	$18 MM
2006	$145 MM	$17 MM
2005	$162 MM	$16 MM
2004	$151 MM	$17 MM
2003	$124 MM	$15 MM
2002	$111 MM	$16 MM
2001	$91 MM	$14 MM
2000	$73 MM	$13 MM
1999	$64 MM	$11 MM
1998	$57 MM	$11 MM
1997	$55 MM	$10 MM
1996	$56 MM	$8 MM
1995	$59 MM	$8 MM

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Revenue / Student

$29,814

$19,978

View Data

Average Revenue Per Student Trends
Year	San Mateo Union High School District	California
2023	$29,479	$15,607
2022	$25,522	$14,213
2021	$28,604	$15,669
2020	$25,522	$14,213
2019	$26,162	$14,063
2018	$23,149	$16,033
2017	$22,157	$16,692
2016	$22,470	$15,604
2015	$17,148	$10,238
2014	$19,144	$11,786
2012	$21,655	$11,929
2011	$16,443	$11,681
2010	$16,533	$10,238
2009	$15,255	$11,099
2008	$13,850	$11,762
2007	$13,005	$11,879
2006	$11,793	$10,859
2005	$11,563	$10,445
2004	$12,557	$10,566
2003	$11,572	$10,456
2002	$11,960	$9,803
2001	$13,968	$10,568
2000	$9,571	$8,943
1999	$7,655	$8,203
1998	$7,487	$7,395
1997	$7,114	$6,922
1995	$6,754	$5,953
1992	$6,121	$5,430

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Spending / Student

$26,074

$18,399

View Data

Average Expenditure Per Student Trends
Year	San Mateo Union High School District	California
2023	$25,781	$13,914
2022	$24,354	$13,602
2021	$25,017	$13,970
2020	$24,354	$13,602
2019	$25,883	$13,522
2018	$22,931	$16,124
2017	$23,074	$15,588
2016	$22,480	$14,779
2015	$18,562	$10,739
2014	$19,260	$11,804
2012	$24,693	$12,155
2011	$23,463	$11,509
2010	$17,896	$10,739
2009	$16,402	$10,975
2008	$13,564	$11,678
2007	$14,417	$11,317
2006	$16,775	$10,926
2005	$19,018	$10,789
2004	$18,136	$11,073
2003	$14,974	$10,210
2002	$13,794	$10,600
2001	$11,039	$10,007
2000	$8,737	$9,131
1999	$7,533	$7,911
1998	$6,850	$7,592
1997	$6,712	$6,759
1995	$7,286	$6,033
1992	$6,246	$5,588

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Best San Mateo Union High School District 51��s (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Burlingame High School

(Math: 65% | Reading: 85%)
:

10/

Top 10%

Add to Compare

1 Mangini Way
Burlingame, CA 94010
(650) 558-2899

Gr: 9-12 | 1,540 student Student-teacher ratio: 20:1 Minority enrollment: 58%

Rank: #22.

Aragon High School

(Math: 61% | Reading: 86%)
:

10/

Top 10%

Add to Compare

900 Alameda De Las Pulgas
San Mateo, CA 94402
(650) 558-2999

Gr: 9-12 | 1,686 student Student-teacher ratio: 22:1 Minority enrollment: 74%

Rank: #33.

Mills High School

(Math: 57% | Reading: 80-84%)
:

10/

Top 10%

Add to Compare

400 Murchison Dr.
Millbrae, CA 94030
(650) 558-2599

Gr: 9-12 | 1,119 student Student-teacher ratio: 20:1 Minority enrollment: 88%

Rank: #44.

Hillsdale High School

(Math: 39% | Reading: 71%)
:

Top 30%

Add to Compare

3115 Del Monte St.
San Mateo, CA 94403
(650) 558-2699

Gr: 9-12 | 1,581 student Student-teacher ratio: 18:1 Minority enrollment: 69%

Rank: #55.

San Mateo High School

(Math: 38% | Reading: 68%)
:

Top 30%

Add to Compare

506 North Delaware St.
San Mateo, CA 94401
(650) 558-2399

Gr: 9-12 | 1,578 student Student-teacher ratio: 18:1 Minority enrollment: 84%

Rank: #66.

Capuchino High School

(Math: 33% | Reading: 68%)
:

Top 30%

Add to Compare

1501 Magnolia Ave.
San Bruno, CA 94066
(650) 558-2799

Gr: 9-12 | 1,108 student Student-teacher ratio: 19:1 Minority enrollment: 83%

Rank: #77.

Peninsula High School

Alternative School

(Math: ≤10% | Reading: 11-19% )
:

Bottom 50%

Add to Compare

860 Hinckley Rd.
Burlingame, CA 94010
(650) 558-2499

Gr: 9-12 | 1 student

Rank: #88.

Peninsula High (Continuation School)

Alternative School

(Math: ≤10% | Reading: 11-19%)
:

Bottom 50%

Add to Compare

860 Hinckley Rd.
Burlingame, CA 94010
(650) 558-2402

Gr: 9-12 | 186 students Student-teacher ratio: 14:1 Minority enrollment: 96%

Rank: n/an/a

The Bridge Academy

Alternative School

Add to Compare

798 East Poplar Ave
San Mateo, CA 94401
(650) 558-2271

Frequently Asked Questions

How many schools belong to San Mateo Union High School District?

San Mateo Union High School District manages 9 public schools serving 8,799 students.

What is the rank of San Mateo Union High School District?

San Mateo Union High School District is ranked #190 out of 1,908 school districts in California (top 10%) 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 10%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 5%), Highest science proficiency (Top 20%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)

What is the racial composition of students in San Mateo Union High School District?

35% of San Mateo Union High School District students are Hispanic, 29% of students are Asian, 24% of students are White, 9% of students are Two or more races, 2% of students are Hawaiian, and 1% of students are Black.

What is the student/teacher ratio of San Mateo Union High School District?

San Mateo Union High School District has a student/teacher ratio of 19:1, which is lower than the California state average of 22:1.

What is San Mateo Union High School District's spending/student ratio?

The school district's spending/student of $26,074 is higher than the state median of $18,399. The school district spending/student has stayed relatively flat over four school years.

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Quick Facts (2025-26)

District size: 9 schools
Grades: 09-12
Enrollment: 8,799 students
Student-Teacher Ratio: 19:1
Minority Enrollment: 76%
: 91% (Top 30% in CA)
: Top 10%
: 49% (Top 20%)
: 76% (Top 5%)
: 51% (Top 20%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education