Is Arma J. Shull Elementary a good school?

Yes! Arma J. Shull Elementary is one of the best elementary schools in the state. It ranks 218 th of 5862 California elementary schools.

How many students attend Arma J. Shull Elementary?

In the 2022-23 school year, 630 students attended Arma J. Shull Elementary.

What is the racial makeup of Arma J. Shull Elementary?

Students at Arma J. Shull Elementary are 51% Hispanic, 20% White, 18% Asian, 10% Two or more races, 2% African American.

What schools do graduates of Arma J. Shull Elementary attend?

Students who attend Arma J. Shull Elementary usually go on to attend: Middle : Lone Hill Middle High : San Dimas High

Arma J. Shull Elementary

Summary:

Arma J. Shull Elementary is a public elementary school in San Dimas, California, serving 630 students in grades K-5. This exceptional school consistently ranks among the top 5% of elementary schools in the state, delivering outstanding academic results, particularly for its diverse student population.

Arma J. Shull Elementary's students significantly outperform their peers in the Bonita Unified district and the state of California in Smarter Balanced Assessments for English Language Arts and Mathematics. In 2023-2024, 80.67% of Arma J. Shull students were proficient or better in ELA, compared to 72.47% for the Bonita Unified district and 47.04% for the state. The school also excels in supporting the academic achievement of various student subgroups, ranking among the top 5% of California elementary schools for Hispanic students and top 10% for Asian and White students. Its performance for low-socioeconomic status students is particularly noteworthy, ranking in the top 2% of California elementary schools in this category.

While the nearby schools in the Bonita Unified district also perform well, Arma J. Shull Elementary consistently outperforms them in academic measures, suggesting the school may have additional resources, teaching strategies, or other factors that contribute to its exceptional results. The school's low chronic absenteeism rates, ranging from 1.7% to 19.9% over the past few years, are also a strength, though there is still room for improvement in this area.

Detail:

Public K-5

825 North Amelia
San Dimas, CA 91773-1437

(909) 971-8208

District: Bonita Unified

SchoolDigger Rank:
218^th of 5,862 California Elementary Schools

Students who attend Arma J. Shull Elementary usually attend:

Middle:	Lone Hill Middle
High:	San Dimas High

Student/teacher ratio: 26.6

Number of students: 630

Racial breakdown:

Hispanic:

50.8%

White:

19.7%

Asian:

17.6%

Free/discounted lunch recipients: 28.6%

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Compare Arma J. Shull Elementary to nearby elementary schools!

Performance Trends

Compare Details Arma J. Shull Elementary ranks better than 96.3% of elementary schools in California. It also ranks first among 8 ranked elementary schools in the Bonita Unified School District! (See more...)

Compare Details In 2024 the calculated Average Standard Score was 96.46. (See more...)

Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.

Student Body

Compare Details Student population at Arma J. Shull Elementary is diverse. Racial makeup is: Hispanic (50.8%), White (19.7%), Asian (17.6%). (See more...)

Compare Details 28.6% of students are receiving a free or discounted lunch. (See more...)

Compare Details

Teachers

Compare Details The student/teacher ratio at Arma J. Shull Elementary is 26.6, which is the highest among 8 elementary schools in the Bonita Unified School District! (See more...)

Compare Arma J. Shull Elementary employs 23.6 full-time teachers.

Schooldigger 2024 Rankings:

Arma J. Shull Elementary:

SchoolDigger ranks Arma J. Shull Elementary 218^th of 5862 California public elementary schools. (See Arma J. Shull Elementary in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:

Multi-racial students:

Low Socio Economic Status students:

Female students:

Male students:

Asian students:

Hispanic students:

White students:

Bonita Unified:

SchoolDigger ranks Bonita Unified 294^th of 1568 California school districts. (See district ranking list.)

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Rank History for Arma J. Shull Elementary

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Rank History for all students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2004	78.10	978^th	4809	79.7%
2005	76.78	1063^rd	4822	78.0%
2006	79.86	973^rd	4818	79.8%
2007	89.84	524^th	5113	89.8%
2008	87.16	653^rd	5113	87.2%
2009	89.54	504^th	5193	90.3%
2010	88.93	505^th	5314	90.5%
2011	94.95	131^st	5377	97.6%
2012	92.45	255^th	5390	95.3%
2013	92.24	309^th	5530	94.4%
2015	92.13	498^th	5611	91.1%
2016	93.73	399^th	5614	92.9%
2017	95.68	278^th	5692	95.1%
2018	95.85	227^th	5662	96.0%
2019	94.79	305^th	5789	94.7%
2022	95.58	324^th	5883	94.5%
2023	97.17	172^nd	5874	97.1%
2024	96.46	218^th	5862	96.3%

See the entire list of California Elementary School Rankings!

Rank History for Multi-racial students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile	SchoolDigger Rating
2022	72.22	171^st	610	72.0%
2024	74.20	177^th	669	73.5%

See the entire list of Best California Elementary Schools for Multi-racial Students!

Rank History for Special Education students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile	SchoolDigger Rating
2023	76.96	354^th	2420	85.4%

See the entire list of Best California Elementary Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2018	98.38	31^st	5084	99.4%
2019	98.38	31^st	5173	99.4%
2022	95.96	147^th	5264	97.2%
2023	94.84	200^th	5374	96.3%
2024	98.42	86^th	5511	98.4%

See the entire list of Best California Elementary Schools for Low Socio Economic Status Students!

Rank History for Female students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2018	95.26	207^th	5413	96.2%
2019	95.01	223^rd	5492	95.9%
2022	92.82	465^th	5635	91.7%
2023	96.18	194^th	5617	96.5%
2024	93.68	389^th	5605	93.1%

See the entire list of Best California Elementary Schools for Female Students!

Rank History for Disabled students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile	SchoolDigger Rating
2018	86.22	198^th	2128	90.7%
2019	90.73	167^th	2585	93.5%

See the entire list of Best California Elementary Schools for Disabled Students!

Rank History for Male students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2018	95.04	245^th	5431	95.5%
2019	92.77	390^th	5510	92.9%
2022	96.00	233^rd	5663	95.9%
2023	96.56	187^th	5650	96.7%
2024	96.40	166^th	5636	97.1%

See the entire list of Best California Elementary Schools for Male Students!

Rank History for Asian students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2022	73.80	304^th	1154	73.7%
2023	84.55	49^th	1190	95.9%
2024	83.81	79^th	1203	93.4%

See the entire list of Best California Elementary Schools for Asian Students!

Rank History for Hispanic students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2018	99.15	23^rd	4830	99.5%
2019	98.04	58^th	4963	98.8%
2022	98.48	54^th	5084	98.9%
2023	99.17	26^th	5098	99.5%
2024	99.17	21^st	5102	99.6%

See the entire list of Best California Elementary Schools for Hispanic Students!

Rank History for White students at Arma J. Shull Elementary

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	CA State Percentile
2018	82.27	373^rd	2737	86.4%
2019	86.32	210^th	2834	92.6%
2022	92.93	33^rd	2726	98.8%
2023	93.46	21^st	2662	99.2%
2024	85.93	212^th	2647	92.0%

See the entire list of Best California Elementary Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Data source: California Department of Education

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Enrollment information for Arma J. Shull Elementary

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Year	White	African American	Asian	Hispanic	American Indian	Pacific Islander	Two or More Races	Not Specified	Total
1988	376	28	57	94	2	n/a	n/a	0	557
1989	370	29	61	121	0	n/a	n/a	0	581
1990	382	27	66	122	10	n/a	n/a	0	607
1991	403	23	82	120	3	n/a	n/a	0	631
1992	385	19	65	102	4	n/a	n/a	0	575
1993	376	16	62	123	3	n/a	n/a	0	580
1994	364	16	53	119	3	n/a	n/a	0	555
1995	337	18	38	123	3	n/a	n/a	0	519
1996	337	18	38	123	3	n/a	n/a	0	519
1997	352	17	33	151	3	n/a	n/a	0	556
1998	333	20	44	170	4	n/a	n/a	0	571
1999	315	15	44	167	4	n/a	n/a	0	545
2000	309	15	42	176	6	n/a	n/a	0	548
2001	295	15	47	184	7	n/a	n/a	6	554
2002	288	13	48	166	11	n/a	n/a	3	529
2003	288	13	48	166	11	n/a	n/a	3	529
2004	296	10	26	161	7	n/a	n/a	52	552
2005	293	11	36	160	5	n/a	n/a	58	563
2006	278	7	49	161	2	n/a	n/a	53	550
2007	265	6	38	157	1	n/a	n/a	52	519
2008	249	11	39	148	2	n/a	n/a	0	449
2009	225	12	36	143	2	2	104	0	524
2010	228	12	34	211	2	1	49	0	537
2011	211	18	34	223	2	2	42	0	532
2012	220	14	31	253	4	4	40	0	566
2013	199	18	42	264	4	4	33	0	564
2014	210	8	37	288	3	3	34	0	583
2015	187	8	63	295	3	3	39	0	598
2016	180	7	69	305	3	1	39	0	604
2017	189	15	77	285	3	0	52	0	621
2018	186	18	82	303	0	0	52	0	641
2019	171	19	88	296	0	0	71	0	645
2020	158	15	96	312	0	0	67	0	648
2021	140	16	92	315	3	0	77	0	643
2022	133	14	101	314	1	1	67	0	631
2023	124	10	111	320	0	0	65	0	630

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Arma J. Shull Elementary

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
1988	557	18.6	29.9	n/a
1989	581	21.7	26.7	n/a
1990	607	25.2	24.0	n/a
1991	631	24.1	26.1	n/a
1992	575	24.5	23.4	17.9
1993	580	24.3	23.9	17.8
1994	555	22.6	24.6	25.6
1995	519	19.9	26.1	24.1
1996	519	19.9	26.1	24.1
1997	556	24.9	22.3	23.7
1998	571	24.9	22.9	18.7
1999	545	27.8	19.6	21.3
2000	548	26.8	20.4	16.1
2001	554	27.0	20.5	26.5
2002	529	27.5	19.2	28.3
2003	529	27.5	19.2	28.3
2004	552	27.7	19.9	26.2
2005	563	27.6	20.4	27.1
2006	550	26.8	20.5	28
2007	519	26.8	19.4	28.7
2008	449	27.7	16.2	25.8
2009	524	26.6	18.9	22.1
2010	537	24.1	22.2	24.4
2011	532	n/a	n/a	32.7
2012	566	24.6	23.0	n/a
2013	564	21.8	25.8	31
2014	583	22.9	25.4	34.5
2015	598	23.0	26.0	35.3
2016	604	22.0	27.4	33.9
2017	621	22.7	27.3	31.7
2018	641	24.0	26.7	33.2
2019	645	24.4	26.4	31.3
2020	648	n/a	n/a	28.7
2021	643	25.2	25.5	30.3
2022	631	25.4	24.8	30
2023	630	23.6	26.6	28.6

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Arma J. Shull Elementary

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
1988	557	18.6	29.9	n/a
1989	581	21.7	26.7	n/a
1990	607	25.2	24.0	n/a
1991	631	24.1	26.1	n/a
1992	575	24.5	23.4	17.9
1993	580	24.3	23.9	17.8
1994	555	22.6	24.6	25.6
1995	519	19.9	26.1	24.1
1996	519	19.9	26.1	24.1
1997	556	24.9	22.3	23.7
1998	571	24.9	22.9	18.7
1999	545	27.8	19.6	21.3
2000	548	26.8	20.4	16.1
2001	554	27.0	20.5	26.5
2002	529	27.5	19.2	28.3
2003	529	27.5	19.2	28.3
2004	552	27.7	19.9	26.2
2005	563	27.6	20.4	27.1
2006	550	26.8	20.5	28
2007	519	26.8	19.4	28.7
2008	449	27.7	16.2	25.8
2009	524	26.6	18.9	22.1
2010	537	24.1	22.2	24.4
2011	532	n/a	n/a	32.7
2012	566	24.6	23.0	n/a
2013	564	21.8	25.8	31
2014	583	22.9	25.4	34.5
2015	598	23.0	26.0	35.3
2016	604	22.0	27.4	33.9
2017	621	22.7	27.3	31.7
2018	641	24.0	26.7	33.2
2019	645	24.4	26.4	31.3
2020	648	n/a	n/a	28.7
2021	643	25.2	25.5	30.3
2022	631	25.4	24.8	30
2023	630	23.6	26.6	28.6

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

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