Item: Mesa Union Elementary School District
Rating: 7
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Mesa Union Elementary School District

3901 N. Mesa Sch Rd.
Somis, CA 93066-9734

( shown in map)

Top 50%

Tel: (805) 485-1411

For the 2025-26 school year, there is 1 public school serving 578 students in Mesa Union Elementary School District. This district's average is 7/10, which is in the top 50% of public schools in California.

Public School in Mesa Union Elementary School District have an score of 36% (versus the California public school average of 34%), and score of 49% (versus the 47% statewide average).

Minority enrollment is 89% of the student body (majority Hispanic), which is more than the California public school average of 80% (majority Hispanic).

Overview

This School District

This State (CA)

# Schools

1 School

10,369 Schools

# Students

578 Students

5,826,818 Students

# Teachers

28 Teachers

268,016 Teachers

Student-Teacher Ratio

21:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Mesa Union Elementary School District	California
Kind	79	254
1	46	193
2	60	201
3	62	202
4	73	207
5	67	209
6	68	210
7	66	214
8	57	215

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District Rank

Mesa Union Elementary School District, which is ranked #652 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 80% has stayed relatively flat over five school years.

This School District

State Average (CA)

#632 out of 1932 school districts
(Top 50%)

View Data

Overall School District Rank Trends
Year	Mesa Union Elementary School District
2023	#632
2022	#621
2019	#406
2018	#261
2017	#299
2016	#195
2015	#176
2014	#361
2013	#175
2012	#263
2011	#242

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36%

34%

View Data

Math Proficiency Trends
Year	Mesa Union Elementary School District	California
2023	36%	34%
2022	37%	33%
2019	50%	40%
2018	49%	39%
2017	43%	38%
2016	50%	37%
2015	53%	34%
2014	49%	63%
2013	73%	59%
2012	63%	59%
2011	63%	58%

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49%

47%

View Data

Reading and Language Arts Proficiency Trends
Year	Mesa Union Elementary School District	California
2022	49%	47%
2019	60%	51%
2018	49%	50%
2017	54%	48%
2016	59%	48%
2015	54%	44%
2014	69%	58%
2013	68%	57%
2012	71%	58%
2011	69%	56%
2010	69%	54%

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35-39%

29%

(21-22)

≥80%

87%

Students by Ethnicity:

0.34

0.63

View Data

Comparison of Diversity Score Trends
Year	Mesa Union Elementary School District	California
2023	0.43	0.64
2022	0.41	0.63
2021	0.45	0.62
2020	0.50	0.63
2019	0.50	0.63
2018	0.62	0.64
2017	0.62	0.64
2016	0.63	0.64
2015	0.61	0.64
2014	0.61	0.65
2013	0.62	0.65
2012	0.62	0.65
2011	0.61	0.67
2010	0.61	0.67
2009	0.66	0.71
2008	0.56	0.65
2007	0.58	0.67
2006	0.60	0.66
2005	0.60	0.67
2004	0.59	0.67
2003	0.54	0.67
2002	0.55	0.67
2001	0.55	0.67
2000	0.53	0.67
1999	0.53	0.67
1998	0.52	0.67
1997	0.54	0.67
1996	0.55	0.67
1995	0.54	0.67
1994	0.54	0.67
1993	0.54	0.67
1992	0.55	0.67
1991	0.52	0.67

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% American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1988-2023)
Year	Mesa Union Elementary School District	California
2023	1%	1%
2014	1%	1%
2007	3%	2%
2006	3%	1%
2005	3%	2%
2004	3%	2%
1989	1%	1%
1988	1%	1%

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% Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Mesa Union Elementary School District	California
2023	4%	12%
2022	5%	12%
2021	5%	12%
2020	6%	12%
2019	6%	12%
2018	6%	11%
2017	6%	11%
2016	6%	11%
2015	7%	11%
2014	6%	11%
2013	6%	11%
2012	7%	11%
2011	6%	11%
2010	6%	11%
2009	6%	11%
2008	5%	12%
2007	7%	12%
2006	7%	12%
2005	6%	12%
2004	5%	12%
2003	7%	11%
2002	5%	11%
2001	4%	11%
2000	3%	11%
1999	3%	11%
1998	3%	11%
1997	3%	11%
1996	2%	11%
1995	3%	11%
1994	3%	11%
1993	3%	11%
1992	5%	11%
1991	4%	11%

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% Hispanic

81%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Mesa Union Elementary School District	California
2023	74%	55%
2022	75%	56%
2021	72%	56%
2020	67%	55%
2019	67%	55%
2018	45%	54%
2017	45%	54%
2016	42%	54%
2015	40%	54%
2014	40%	53%
2013	41%	53%
2012	38%	52%
2011	36%	51%
2010	34%	50%
2009	28%	49%
2008	35%	50%
2007	33%	49%
2006	35%	48%
2005	35%	47%
2004	36%	46%
2003	33%	45%
2002	39%	44%
2001	42%	43%
2000	39%	42%
1999	42%	41%
1998	41%	40%
1997	46%	40%
1996	42%	39%
1995	44%	38%
1994	44%	37%
1993	42%	36%
1992	41%	35%
1991	38%	34%

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% Black

View Data

Black Student Percentage Comparison Over Years (1990-2023)
Year	Mesa Union Elementary 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	2%	6%
2015	3%	6%
2014	3%	6%
2013	4%	6%
2012	4%	6%
2011	5%	7%
2010	4%	7%
2009	2%	7%
2008	4%	8%
2007	3%	8%
2006	5%	8%
2005	6%	8%
2004	6%	8%
2003	5%	8%
2002	3%	8%
2001	1%	8%
2000	1%	9%
1997	1%	9%
1996	3%	9%
1995	1%	9%
1994	1%	9%
1993	1%	9%
1992	1%	9%
1990	1%	9%

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% White

11%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Mesa Union Elementary School District	California
2023	16%	21%
2022	15%	21%
2021	19%	22%
2020	21%	23%
2019	21%	23%
2018	42%	24%
2017	42%	24%
2016	45%	24%
2015	48%	24%
2014	49%	25%
2013	47%	25%
2012	49%	26%
2011	51%	27%
2010	53%	27%
2009	49%	28%
2008	56%	29%
2007	54%	29%
2006	50%	31%
2005	50%	31%
2004	50%	32%
2003	55%	34%
2002	53%	35%
2001	53%	36%
2000	57%	37%
1999	55%	38%
1998	56%	39%
1997	50%	39%
1996	53%	40%
1995	52%	41%
1994	52%	42%
1993	54%	43%
1992	53%	44%
1991	58%	45%

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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	Mesa Union Elementary School District	California
2023	4%	6%
2022	4%	5%
2021	3%	5%
2020	5%	4%
2019	5%	4%
2018	6%	4%
2017	6%	4%
2016	5%	4%
2015	2%	3%
2014	1%	3%
2013	2%	3%
2012	2%	3%
2011	2%	2%
2010	3%	3%
2009	15%	3%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $15,635 in this school district is less than the state median of $19,974. The school district revenue/student has stayed relatively flat over four school years.

The school district's spending/student of $14,668 is less than the state median of $18,396. The school district spending/student has stayed relatively flat over four school years.

This School District

This State (CA)

Total Revenue

$9 MM

$116,387 MM

View Data

Total Revenues Trends
Year	Mesa Union Elementary School District	California
2023	$9 MM	$8 MM
2022	$9 MM	$7 MM
2021	$9 MM	$8 MM
2020	$9 MM	$7 MM
2019	$8 MM	$7 MM
2018	$9 MM	$29 MM
2017	$8 MM	$26 MM
2016	$8 MM	$24 MM
2015	$9 MM	$17 MM
2014	$7 MM	$21 MM
2012	$10 MM	$19 MM
2011	$12 MM	$19 MM
2010	$9 MM	$17 MM
2009	$10 MM	$19 MM
2008	$9 MM	$19 MM
2007	$9 MM	$19 MM
2006	$8 MM	$17 MM
2005	$9 MM	$16 MM
2004	$8 MM	$16 MM
2003	$5 MM	$16 MM
2002	$4 MM	$15 MM
2001	$4 MM	$15 MM
2000	$4 MM	$13 MM
1999	$3 MM	$12 MM
1998	$3 MM	$11 MM
1997	$2 MM	$10 MM
1996	$2 MM	$9 MM
1995	$2 MM	$8 MM

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Spending

$9 MM

$107,188 MM

View Data

Total Expenditure Trends
Year	Mesa Union Elementary School District	California
2023	$8 MM	$7 MM
2022	$8 MM	$7 MM
2021	$8 MM	$7 MM
2020	$8 MM	$7 MM
2019	$7 MM	$7 MM
2018	$8 MM	$29 MM
2017	$7 MM	$24 MM
2016	$7 MM	$23 MM
2015	$10 MM	$18 MM
2014	$5 MM	$21 MM
2012	$10 MM	$19 MM
2011	$10 MM	$19 MM
2010	$10 MM	$18 MM
2009	$9 MM	$18 MM
2008	$9 MM	$19 MM
2007	$9 MM	$18 MM
2006	$9 MM	$17 MM
2005	$12 MM	$16 MM
2004	$9 MM	$17 MM
2003	$4 MM	$15 MM
2002	$4 MM	$16 MM
2001	$4 MM	$14 MM
2000	$3 MM	$13 MM
1999	$3 MM	$11 MM
1998	$2 MM	$11 MM
1997	$2 MM	$10 MM
1996	$2 MM	$8 MM
1995	$2 MM	$8 MM

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Revenue / Student

$15,635

$19,974

View Data

Average Revenue Per Student Trends
Year	Mesa Union Elementary School District	California
2023	$16,023	$15,607
2022	$14,160	$14,213
2021	$15,474	$15,669
2020	$14,160	$14,213
2019	$13,561	$14,063
2018	$6,885	$16,033
2017	$6,596	$16,692
2016	$6,201	$15,604
2015	$6,666	$10,238
2014	$5,028	$11,786
2012	$7,438	$11,929
2011	$9,314	$11,681
2010	$7,586	$10,238
2009	$8,294	$11,099
2008	$7,656	$11,762
2007	$8,737	$11,879
2006	$7,681	$10,859
2005	$8,569	$10,445
2004	$8,737	$10,566
2003	$5,207	$10,456
2002	$6,007	$9,803
2001	$7,339	$10,568
2000	$6,871	$8,943
1999	$6,494	$8,203
1998	$5,219	$7,395
1997	$4,900	$6,922
1995	$4,331	$5,953
1992	$4,166	$5,430

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Spending / Student

$14,668

$18,396

View Data

Average Expenditure Per Student Trends
Year	Mesa Union Elementary School District	California
2023	$15,032	$13,914
2022	$12,264	$13,602
2021	$14,517	$13,970
2020	$12,264	$13,602
2019	$11,683	$13,522
2018	$6,047	$16,124
2017	$5,440	$15,588
2016	$4,910	$14,779
2015	$7,061	$10,739
2014	$3,792	$11,804
2012	$7,442	$12,155
2011	$7,868	$11,509
2010	$8,036	$10,739
2009	$8,230	$10,975
2008	$7,386	$11,678
2007	$8,156	$11,317
2006	$8,492	$10,926
2005	$10,794	$10,789
2004	$10,718	$11,073
2003	$4,651	$10,210
2002	$5,801	$10,600
2001	$6,339	$10,007
2000	$5,548	$9,131
1999	$5,180	$7,911
1998	$5,048	$7,592
1997	$4,513	$6,759
1995	$4,132	$6,033
1992	$4,460	$5,588

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Best Mesa Union Elementary School District Public Schools (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Mesa Elementary School

(Math: 36% | Reading: 49%)
:

Top 50%

3901 North Mesa School Rd.
Somis, CA 93066
(805) 485-1411

Gr: K-8 | 578 students Student-teacher ratio: 21:1 Minority enrollment: 89%

Frequently Asked Questions

How many schools belong to Mesa Union Elementary School District?

Mesa Union Elementary School District manages 1 public schools serving 578 students.

What is the rank of Mesa Union Elementary School District?

Mesa Union Elementary School District is ranked #652 out of 1,910 school districts in California (top 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year.

What is the racial composition of students in Mesa Union Elementary School District?

81% of Mesa Union Elementary School District students are Hispanic, 11% of students are White, 4% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.

What is the student/teacher ratio of Mesa Union Elementary School District?

Mesa Union Elementary School District has a student/teacher ratio of 21:1, which is lower than the California state average of 22:1.

What is Mesa Union Elementary School District's spending/student ratio?

The school district's spending/student of $14,668 is less than the state median of $18,396. The school district spending/student has stayed relatively flat over four school years.

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Quick Facts (2025-26)

District size: 1 school
Grades: KG-12
Enrollment: 578 students
Student-Teacher Ratio: 21:1
Minority Enrollment: 89%
: ≥80%
: Top 50% in CA
: 36% (Top 50%)
: 49% (Top 50%)
: 35-39% (Top 30%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education