Home > California > Santa Clara County > Mountain View > Shoreline West

Mariano Castro Elementary School

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Bottom 50%

castro.mvwsd.org

Serving 257 students in grades Kindergarten-5, Mariano Castro Elementary School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).

The percentage of students achieving is 15-19% (which is lower than the California state average of 33%). The percentage of students achieving is 20-24% (which is lower than the California state average of 47%).

The student:teacher ratio of 18:1 is lower than the California state level of 21:1.

Minority enrollment is 95% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Stats (2025)

Grades: Kindergarten-5
Enrollment: 257 students
Student:Teacher Ratio: 18:1
Minority Enrollment: 95%
: Bottom 50% in CA
: 15-19% (Btm 50%)
: 20-24% (Btm 50%)
: 10-14% (Btm 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Mariano Castro Elementary School ranks among the top 20% of public schools in California for:

School Overview

Mariano Castro Elementary School's student population of 257 students has stayed relatively flat over five school years.

The teacher population of 14 teachers has grown by 16% over five school years.

Grades Offered

Grades Kindergarten-5

View Data

Distribution of Students By Grade Trends
Grade	Mariano Castro Elementary School
Kind	51
1	35
2	38
3	42
4	37
5	54

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Total Students

257 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Mariano Castro Elementary School
2023	248
2022	266
2021	306
2020	268
2019	268
2018	274
2017	274
2016	305
2015	726
2014	675
2013	619
2012	574
2011	539
2010	543
2009	692
2008	609
2007	525
2006	338
2005	357
2004	449
2003	458
2002	458
2001	508
2000	526
1999	511
1998	671
1997	666
1996	802
1995	768
1994	691
1993	714
1992	676
1991	632
1990	575
1989	524
1988	472
1987	491

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Gender %

Total Classroom Teachers

14 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Mariano Castro Elementary School
2023	13
2022	14
2021	14
2020	12
2019	12
2018	13
2017	13
2016	14
2015	30
2014	27
2013	29
2012	25
2010	27
2009	33
2008	33
2007	29
2006	20
2005	19
2004	24
2003	24
2002	23
2001	26
2000	26
1999	29
1998	35
1997	32
1996	33
1995	29
1994	29
1993	30
1992	30
1991	30
1990	29

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School Rankings

Mariano Castro Elementary School ranks within the bottom 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).

The of Mariano Castro Elementary School is 0.27, 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)

#7843 out of 9602 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2010-2022)
Year	Mariano Castro Elementary School
2022	#7843
2019	#4977
2018	#4378
2017	#3752
2016	#5141
2015	#3327
2013	#2486
2012	#3121
2011	#3167
2010	#3122

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15-19%

33%

View Data

Math Proficiency Comparison Over Years (2010-2022)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2022	17%	33%	59%
2019	32%	40%	63%
2018	37%	39%	64%
2017	42%	38%	62%
2016	32%	37%	60%
2015	39%	34%	54%
2013	77%	59%	70%
2012	70%	59%	67%
2011	71%	58%	64%
2010	71%	56%	63%

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20-24%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2022	22%	47%	66%
2019	47%	51%	71%
2018	47%	50%	64%
2017	47%	48%	66%
2016	37%	48%	66%
2015	43%	44%	60%
2013	57%	57%	68%
2012	58%	58%	67%
2011	54%	56%	63%
2010	51%	54%	61%

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10-14%

29%

Student : Teacher Ratio

18:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	19:1	22:1	22:1
2022	19:1	21:1	21:1
2021	22:1	22:1	21:1
2020	22:1	23:1	23:1
2019	22:1	23:1	23:1
2018	21:1	23:1	24:1
2017	21:1	23:1	24:1
2016	22:1	24:1	24:1
2015	24:1	24:1	25:1
2014	25:1	24:1	23:1
2013	22:1	24:1	22:1
2012	23:1	23:1	22:1
2010	20:1	21:1	21:1
2009	21:1	20:1	21:1
2008	18:1	18:1	18:1
2007	18:1	21:1	20:1
2006	17:1	20:1	20:1
2005	19:1	21:1	22:1
2004	19:1	21:1	21:1
2003	19:1	20:1	21:1
2002	20:1	20:1	20:1
2001	20:1	20:1	20:1
2000	20:1	21:1	21:1
1999	18:1	21:1	20:1
1998	19:1	21:1	19:1
1997	21:1	23:1	21:1
1996	24:1	25:1	24:1
1995	26:1	25:1	24:1
1994	24:1	25:1	23:1
1993	24:1	25:1	23:1
1992	22:1	24:1	21:1
1991	21:1	24:1	21:1
1990	20:1	24:1	20:1

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American Indian

n/a

Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	6%	12%	23%
2022	5%	12%	23%
2021	4%	12%	23%
2020	4%	12%	20%
2019	4%	12%	20%
2018	8%	11%	18%
2017	8%	11%	18%
2016	6%	11%	16%
2015	4%	11%	16%
2014	4%	11%	14%
2013	4%	11%	15%
2012	4%	11%	15%
2011	3%	11%	15%
2010	6%	11%	17%
2009	8%	11%	18%
2008	10%	12%	19%
2007	10%	12%	18%
2006	6%	12%	19%
2005	6%	12%	18%
2004	5%	12%	18%
2003	5%	11%	18%
2002	6%	11%	18%
2001	5%	11%	17%
2000	5%	11%	16%
1999	6%	11%	16%
1998	7%	11%	15%
1997	9%	11%	14%
1996	9%	11%	15%
1995	9%	11%	14%
1994	13%	11%	16%
1993	14%	11%	17%
1992	14%	11%	17%
1991	16%	11%	16%

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Hispanic

85%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	86%	55%	39%
2022	89%	56%	38%
2021	88%	56%	36%
2020	86%	55%	37%
2019	86%	55%	37%
2018	83%	54%	40%
2017	83%	54%	40%
2016	83%	54%	42%
2015	72%	54%	43%
2014	73%	53%	46%
2013	73%	53%	45%
2012	72%	52%	46%
2011	72%	51%	46%
2010	66%	50%	43%
2009	52%	49%	41%
2008	53%	50%	44%
2007	56%	49%	44%
2006	77%	48%	43%
2005	82%	47%	43%
2004	84%	46%	41%
2003	84%	45%	40%
2002	85%	44%	39%
2001	85%	43%	40%
2000	82%	42%	40%
1999	82%	41%	40%
1998	78%	40%	39%
1997	75%	40%	40%
1996	74%	39%	40%
1995	71%	38%	39%
1994	68%	37%	38%
1993	63%	36%	35%
1992	61%	35%	34%
1991	58%	34%	33%

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Black

n/a

View Data

Black Student Percentage Comparison Over Years (1988-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	1%	5%	2%
2014	1%	6%	2%
2013	1%	6%	2%
2012	1%	6%	2%
2011	1%	7%	3%
2010	2%	7%	4%
2009	1%	7%	3%
2008	1%	8%	4%
2007	3%	8%	5%
2006	1%	8%	6%
2005	1%	8%	6%
2004	2%	8%	6%
2003	2%	8%	5%
2002	2%	8%	5%
2001	3%	8%	4%
2000	4%	9%	5%
1999	4%	9%	5%
1998	6%	9%	6%
1997	6%	9%	7%
1996	6%	9%	7%
1995	8%	9%	7%
1994	6%	9%	6%
1993	7%	9%	6%
1992	7%	9%	7%
1991	7%	9%	7%
1990	10%	9%	8%
1989	7%	9%	7%
1988	10%	9%	9%

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White

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	5%	21%	24%
2022	4%	21%	25%
2021	6%	22%	27%
2020	7%	23%	30%
2019	7%	23%	30%
2018	7%	24%	31%
2017	7%	24%	31%
2016	7%	24%	30%
2015	18%	24%	29%
2014	17%	25%	29%
2013	17%	25%	29%
2012	17%	26%	28%
2011	18%	27%	28%
2010	22%	27%	32%
2009	35%	28%	33%
2008	36%	29%	33%
2007	31%	29%	32%
2006	16%	31%	32%
2005	11%	31%	33%
2004	9%	32%	35%
2003	9%	34%	37%
2002	7%	35%	38%
2001	7%	36%	39%
2000	9%	37%	39%
1999	8%	38%	39%
1998	9%	39%	40%
1997	10%	39%	39%
1996	11%	40%	38%
1995	12%	41%	39%
1994	13%	42%	40%
1993	16%	43%	42%
1992	17%	44%	42%
1991	19%	45%	43%

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Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2009-2010)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2010	1%	1%	1%
2009	1%	1%	1%

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Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	2%	6%	12%
2022	2%	5%	12%
2021	2%	5%	12%
2020	3%	4%	11%
2019	3%	4%	11%
2018	2%	4%	10%
2017	2%	4%	10%
2016	4%	4%	10%
2015	6%	3%	10%
2014	5%	3%	8%
2013	5%	3%	8%
2012	6%	3%	8%
2011	6%	2%	7%
2010	3%	3%	3%
2009	3%	3%	4%

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All Ethnic Groups

0.27

0.63

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	0.26	0.64	0.73
2022	0.21	0.63	0.73
2021	0.22	0.62	0.74
2020	0.26	0.63	0.73
2019	0.26	0.63	0.73
2018	0.30	0.64	0.71
2017	0.30	0.64	0.71
2016	0.30	0.64	0.71
2015	0.45	0.64	0.67
2014	0.44	0.65	0.69
2013	0.44	0.65	0.69
2012	0.45	0.65	0.68
2011	0.45	0.67	0.69
2010	0.52	0.67	0.69
2009	0.62	0.71	0.69
2008	0.59	0.65	0.67
2007	0.60	0.67	0.67
2006	0.38	0.66	0.68
2005	0.32	0.67	0.67
2004	0.29	0.67	0.68
2003	0.29	0.67	0.68
2002	0.29	0.67	0.68
2001	0.27	0.67	0.67
2000	0.32	0.67	0.67
1999	0.32	0.67	0.67
1998	0.38	0.67	0.67
1997	0.42	0.67	0.67
1996	0.43	0.67	0.67
1995	0.47	0.67	0.68
1994	0.51	0.67	0.67
1993	0.56	0.67	0.68
1992	0.58	0.67	0.68
1991	0.60	0.67	0.68

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Eligible for

70%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	78%	51%	29%
2022	71%	51%	25%
2021	76%	53%	27%
2020	75%	52%	28%
2019	75%	52%	28%
2018	71%	49%	29%
2017	71%	49%	29%
2016	71%	50%	31%
2015	53%	50%	33%
2014	56%	49%	35%
2013	54%	48%	35%
2011	57%	46%	38%
2010	56%	46%	37%
2009	45%	43%	36%
2008	34%	41%	31%
2007	47%	40%	37%
2006	64%	40%	39%
2005	80%	40%	34%
2004	64%	40%	31%
2003	58%	39%	27%
2002	57%	39%	26%
2001	65%	39%	28%
2000	69%	40%	32%
1999	77%	40%	34%
1998	77%	47%	40%
1997	13%	47%	29%
1996	90%	46%	47%
1995	75%	45%	43%
1994	66%	43%	41%
1993	68%	41%	39%
1992	70%	38%	37%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2002-2023)
Year	Mariano Castro Elementary School	California	Mountain View Whisman School District
2023	3%	8%	2%
2022	6%	7%	3%
2021	8%	6%	3%
2020	11%	7%	6%
2019	11%	7%	6%
2018	11%	9%	6%
2017	11%	9%	6%
2016	10%	9%	6%
2015	6%	9%	6%
2014	4%	9%	6%
2013	6%	7%	7%
2011	6%	8%	8%
2010	5%	9%	8%
2009	6%	10%	10%
2008	5%	10%	8%
2007	6%	10%	9%
2006	12%	9%	10%
2005	16%	9%	11%
2004	13%	9%	11%
2003	16%	9%	9%
2002	12%	8%	9%

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School Statewide Testing

View Education Department Test Scores

School District Name

Mountain View Whisman School District

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

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Mariano Castro Elementary School's ranking?

Mariano Castro Elementary School is ranked #7843 out of 9,602 schools, which ranks it among the bottom 50% of public schools in California.

What schools are Mariano Castro Elementary School often compared to?

Mariano Castro Elementary Schoolis often viewed alongside schools like Edith Landels Elementary School, Theuerkauf Elementary School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

15-19% of students have achieved math proficiency (compared to the 33% CA state average), while 20-24% of students have achieved reading proficiency (compared to the 47% CA state average).

How many students attend Mariano Castro Elementary School?

257 students attend Mariano Castro Elementary School.

What is the racial composition of the student body?

85% of Mariano Castro Elementary School students are Hispanic, 8% of students are Asian, 5% of students are White, and 2% of students are Two or more races.

What is the student:teacher ratio of Mariano Castro Elementary School?

Mariano Castro Elementary School has a student ration of 18:1, which is lower than the California state average of 21:1.

What grades does Mariano Castro Elementary School offer ?

Mariano Castro Elementary School offers enrollment in grades Kindergarten-5

What school district is Mariano Castro Elementary School part of?

Mariano Castro Elementary School is part of Mountain View Whisman School District.

In what neighborhood is Mariano Castro Elementary School located?

Mariano Castro Elementary School is located in the Shoreline West neighborhood of Mountain View, CA. There are 2 other public schools located in Shoreline West.

School Reviews

5 4/11/2022

I go to this school and I love it. it's really awesome I really recommend you to send your children to this school. ( if you live in Mountain View ). I am a 4th grader and my teacher is Ms.Fung, she's like the best teacher in the world!

- Posted by Student/Alumni - Maryam Suleymanova

Review Mariano Castro Elementary School. Reviews should be a few sentences in length. Please include any comments on:

Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities

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Quick Stats (2025)

Grades: Kindergarten-5
Enrollment: 257 students
Student:Teacher Ratio: 18:1
Minority Enrollment: 95%
: Bottom 50%
: 15-19% (Btm 50%)
: 20-24% (Btm 50%)
: 10-14% (Btm 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education