Arma J. Shull Elementary School (Ranked Top 5% for 2026)

825 North Amelia
San Dimas, CA 91773

( shown in map)

10/

Top 5%

Serving 646 students in grades Kindergarten-5, Arma J. Shull Elementary School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).

The percentage of students achieving is 83% (which is higher than the California state average of 34%). The percentage of students achieving is 81% (which is higher than the California state average of 47%).

The student-teacher ratio of 28:1 is higher than the California state level of 21:1.

Minority enrollment is 84% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Facts (2026)

Grades: Kindergarten-5
Enrollment: 646 students
Student-Teacher Ratio: 28:1
Minority Enrollment: 84%
: Top 5% in CA
: 83% (Top 5%)
: 81% (Top 5%)
: 60-64% (Top 10%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

<�鶹��ý class="so-dt-title" id="top-rankings">Top Rankings

Arma J. Shull Elementary School ranks among the top 20% of public schools in California for:

Category

Attribute

Overall Rank

Highest overall rank (Top 5%)

Math Proficiency

Highest math proficiency (Top 5%)

Reading/Language Arts Proficiency

Highest reading/language arts proficiency (Top 5%)

Science Proficiency

Highest science proficiency (Top 10%)

<�鶹��ý class='so-dt-title' id="overview">School Overview

Arma J. Shull Elementary School's student population of 646 students has stayed relatively flat over five school years.

The teacher population of 23 teachers has declined by 8% over five school years.

Awards

Blue Ribbon School - Selected in 2022

Grades Offered

Grades Kindergarten-5

View Data

Distribution of Students By Grade Trends
Grade	Arma J. Shull Elementary School
Kind	139
1	98
2	100
3	99
4	106
5	103
6	1

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Total Students

646 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Arma J. Shull Elementary School
2023	630
2022	631
2021	643
2020	645
2019	645
2018	621
2017	621
2016	604
2015	598
2014	583
2013	564
2012	566
2011	532
2010	537
2009	524
2008	449
2007	519
2006	550
2005	563
2004	552
2003	529
2002	520
2001	554
2000	548
1999	545
1998	571
1997	556
1996	519
1995	557
1994	555
1993	580
1992	575
1991	631
1990	607
1989	581
1988	557
1987	529

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Gender %

Total Classroom Teachers

23 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Arma J. Shull Elementary School
2023	24
2022	25
2021	25
2020	24
2019	24
2018	23
2017	23
2016	22
2015	23
2014	23
2013	22
2012	25
2010	24
2009	27
2008	28
2007	26
2006	26
2005	27
2004	27
2003	27
2002	25
2001	27
2000	26
1999	27
1998	25
1997	25
1996	20
1995	22
1994	23
1993	24
1992	25
1991	24
1990	25

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Year Founded

1909

School Calendar

<�鶹��ý class='so-dt-title' id="school-rankings">School Rankings

Arma J. Shull Elementary School ranks within the top 5% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).

The of Arma J. Shull Elementary School is 0.67, which is more 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)

#242 out of 9523 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2010-2023)
Year	Arma J. Shull Elementary School
2023	#242
2022	#378
2019	#353
2018	#291
2017	#355
2016	#543
2015	#781
2013	#343
2012	#360
2011	#158
2010	#495

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83%

34%

View Data

Math Proficiency Comparison Over Years (2010-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	83%	34%	58%
2022	75%	33%	53%
2019	78%	40%	59%
2018	77%	39%	56%
2017	75%	38%	54%
2016	72%	37%	48%
2015	66%	34%	45%
2013	92%	59%	76%
2012	93%	59%	74%
2011	94%	58%	71%
2010	89%	56%	66%

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81%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2022	81%	47%	68%
2019	82%	51%	70%
2018	85%	50%	56%
2017	82%	48%	67%
2016	78%	48%	62%
2015	70%	44%	57%
2013	83%	57%	73%
2012	84%	58%	73%
2011	88%	56%	71%
2010	80%	54%	68%

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60-64%

29%

Student-Teacher Ratio

28:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	26:1	22:1	23:1
2022	25:1	21:1	23:1
2021	26:1	22:1	24:1
2020	27:1	23:1	24:1
2019	27:1	23:1	24:1
2018	27:1	23:1	25:1
2017	27:1	23:1	25:1
2016	27:1	24:1	25:1
2015	26:1	24:1	25:1
2014	25:1	24:1	25:1
2013	26:1	24:1	26:1
2012	23:1	23:1	25:1
2010	22:1	21:1	24:1
2009	20:1	20:1	23:1
2008	16:1	18:1	17:1
2007	20:1	21:1	24:1
2006	21:1	20:1	24:1
2005	21:1	21:1	23:1
2004	20:1	21:1	24:1
2003	20:1	20:1	24:1
2002	21:1	20:1	24:1
2001	21:1	20:1	23:1
2000	21:1	21:1	24:1
1999	20:1	21:1	24:1
1998	23:1	21:1	24:1
1997	22:1	23:1	24:1
1996	26:1	25:1	30:1
1995	26:1	25:1	27:1
1994	25:1	25:1	28:1
1993	24:1	25:1	27:1
1992	23:1	24:1	26:1
1991	26:1	24:1	26:1
1990	24:1	24:1	26:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1992-2014)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2014	1%	1%
2013	1%	1%
2012	1%	1%
2005	3%	2%	3%
2004	3%	2%	3%
2003	3%	2%	2%
2002	2%	2%	1%
2001	2%	2%	2%
2000	1%	1%	1%
1999	1%	1%	2%
1998	1%	1%	1%
1997	1%	1%	1%
1996	1%	1%	1%
1995	1%	1%
1994	1%	1%
1993	1%	1%
1992	1%	1%

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Asian

20%

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	18%	12%	11%
2022	16%	12%	9%
2021	14%	12%	9%
2020	14%	12%	9%
2019	14%	12%	9%
2018	13%	11%	8%
2017	13%	11%	8%
2016	12%	11%	8%
2015	11%	11%	7%
2014	6%	11%	7%
2013	7%	11%	7%
2012	5%	11%	7%
2011	7%	11%	7%
2010	7%	11%	7%
2009	8%	11%	7%
2008	10%	12%	8%
2007	9%	12%	8%
2006	11%	12%	9%
2005	8%	12%	7%
2004	7%	12%	7%
2003	10%	11%	8%
2002	9%	11%	8%
2001	9%	11%	8%
2000	8%	11%	8%
1999	8%	11%	8%
1998	8%	11%	8%
1997	6%	11%	8%
1996	7%	11%	8%
1995	9%	11%	10%
1994	10%	11%	9%
1993	11%	11%	9%
1992	11%	11%	9%
1991	13%	11%	8%

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Hispanic

51%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	51%	55%	57%
2022	50%	56%	56%
2021	49%	56%	55%
2020	46%	55%	53%
2019	46%	55%	53%
2018	46%	54%	51%
2017	46%	54%	51%
2016	51%	54%	51%
2015	50%	54%	51%
2014	49%	53%	49%
2013	47%	53%	47%
2012	45%	52%	47%
2011	42%	51%	45%
2010	40%	50%	44%
2009	27%	49%	30%
2008	33%	50%	37%
2007	32%	49%	32%
2006	31%	48%	31%
2005	30%	47%	31%
2004	31%	46%	30%
2003	31%	45%	32%
2002	34%	44%	31%
2001	33%	43%	30%
2000	32%	42%	29%
1999	31%	41%	28%
1998	30%	40%	28%
1997	27%	40%	26%
1996	24%	39%	26%
1995	22%	38%	24%
1994	21%	37%	23%
1993	21%	36%	22%
1992	18%	35%	21%
1991	19%	34%	21%

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Black

View Data

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

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White

16%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	20%	21%	22%
2022	21%	21%	23%
2021	22%	22%	24%
2020	26%	23%	27%
2019	26%	23%	27%
2018	31%	24%	30%
2017	31%	24%	30%
2016	30%	24%	31%
2015	32%	24%	32%
2014	36%	25%	34%
2013	35%	25%	35%
2012	39%	26%	36%
2011	40%	27%	37%
2010	42%	27%	38%
2009	43%	28%	39%
2008	55%	29%	51%
2007	53%	29%	45%
2006	53%	31%	46%
2005	54%	31%	48%
2004	55%	32%	50%
2003	54%	34%	53%
2002	52%	35%	55%
2001	53%	36%	56%
2000	56%	37%	57%
1999	57%	38%	57%
1998	57%	39%	58%
1997	63%	39%	60%
1996	65%	40%	60%
1995	65%	41%	61%
1994	65%	42%	63%
1993	64%	43%	64%
1992	67%	44%	65%
1991	64%	45%	66%

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Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2012-2014)
Year	Arma J. Shull Elementary School	California
2014	1%	1%
2013	1%	1%
2012	1%	1%

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Two or more races

12%

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	10%	6%	8%
2022	11%	5%	10%
2021	12%	5%	10%
2020	11%	4%	8%
2019	11%	4%	8%
2018	8%	4%	8%
2017	8%	4%	8%
2016	6%	4%	7%
2015	6%	3%	7%
2014	6%	3%	7%
2013	6%	3%	7%
2012	7%	3%	7%
2011	8%	2%	8%
2010	9%	3%	8%
2009	20%	3%	21%

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All Ethnic Groups

0.67

0.63

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	0.66	0.64	0.62
2022	0.67	0.63	0.62
2021	0.68	0.62	0.63
2020	0.70	0.63	0.64
2019	0.70	0.63	0.64
2018	0.68	0.64	0.64
2017	0.68	0.64	0.64
2016	0.64	0.64	0.64
2015	0.64	0.64	0.63
2014	0.63	0.65	0.64
2013	0.65	0.65	0.65
2012	0.64	0.65	0.65
2011	0.66	0.67	0.65
2010	0.67	0.67	0.65
2009	0.70	0.71	0.71
2008	0.59	0.65	0.60
2007	0.64	0.67	0.57
2006	0.64	0.66	0.57
2005	0.64	0.67	0.56
2004	0.62	0.67	0.56
2003	0.61	0.67	0.61
2002	0.61	0.67	0.60
2001	0.61	0.67	0.59
2000	0.58	0.67	0.59
1999	0.58	0.67	0.59
1998	0.58	0.67	0.58
1997	0.53	0.67	0.57
1996	0.52	0.67	0.56
1995	0.53	0.67	0.56
1994	0.52	0.67	0.55
1993	0.54	0.67	0.53
1992	0.51	0.67	0.52
1991	0.54	0.67	0.52

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Eligible for

27%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	27%	51%	32%
2022	25%	51%	30%
2021	26%	53%	31%
2020	25%	52%	32%
2019	25%	52%	32%
2018	22%	49%	26%
2017	22%	49%	26%
2016	23%	50%	27%
2015	24%	50%	27%
2014	24%	49%	25%
2013	20%	48%	24%
2011	22%	46%	23%
2010	16%	46%	18%
2009	13%	43%	14%
2008	15%	41%	19%
2007	17%	40%	17%
2006	15%	40%	17%
2005	16%	40%	17%
2004	18%	40%	16%
2003	21%	39%	19%
2002	23%	39%	18%
2001	20%	39%	17%
2000	12%	40%	18%
1999	15%	40%	19%
1998	19%	47%	24%
1997	24%	47%	26%
1996	24%	46%	26%
1995	24%	45%	25%
1994	26%	43%	25%
1993	18%	41%	22%
1992	18%	38%	20%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2002-2023)
Year	Arma J. Shull Elementary School	California	Bonita Unified School District
2023	2%	8%	2%
2022	5%	7%	6%
2021	5%	6%	5%
2020	7%	7%	7%
2019	7%	7%	7%
2018	9%	9%	7%
2017	9%	9%	7%
2016	10%	9%	8%
2015	10%	9%	8%
2014	11%	9%	7%
2013	12%	7%	7%
2011	11%	8%	6%
2010	8%	9%	7%
2009	10%	10%	6%
2008	10%	10%	8%
2007	9%	10%	7%
2006	10%	9%	6%
2005	9%	9%	6%
2004	6%	9%	6%
2003	8%	9%	6%
2002	6%	8%	5%

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School Statewide Testing

School District Name

Bonita Unified School District

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

<�鶹��ý class='so-dt-title' id="school-notes">School Notes

School Mascot: Shully Shark

Profile last updated: 02/09/2025

REQUEST FREE INFORMATION

<�鶹��ý class='so-dt-title' id='faq'>Frequently Asked Questions

What is Arma J. Shull Elementary School's ranking?

Arma J. Shull Elementary School is ranked #242 out of 9,523 schools, which ranks it among the top 5% of public schools in California.

What schools are Arma J. Shull Elementary School often compared to?

Arma J. Shull Elementary Schoolis often viewed alongside schools like Sutherland Elementary School, Gladstone Elementary School by visitors of our site.

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

83% of students have achieved math proficiency (compared to the 34% CA state average), while 81% of students have achieved reading proficiency (compared to the 47% CA state average).

How many students attend Arma J. Shull Elementary School?

646 students attend Arma J. Shull Elementary School.

What is the racial composition of the student body?

51% of Arma J. Shull Elementary School students are Hispanic, 20% of students are Asian, 16% of students are White, 12% of students are Two or more races, and 1% of students are Black.

What is the student-teacher ratio of Arma J. Shull Elementary School?

Arma J. Shull Elementary School has a student ration of 28:1, which is higher than the California state average of 21:1.

What grades does Arma J. Shull Elementary School offer ?

Arma J. Shull Elementary School offers enrollment in grades Kindergarten-5

What school district is Arma J. Shull Elementary School part of?

Arma J. Shull Elementary School is part of Bonita Unified School District.

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