Is Mary C O'Brien Elementary School a good school?

Yes! Mary C O'Brien Elementary School is one of the best elementary schools in the state. It ranks 14 th of 904 Arizona elementary schools.

How many students attend Mary C O'Brien Elementary School?

In the 2022-23 school year, 120 students attended Mary C O'Brien Elementary School.

What is the racial makeup of Mary C O'Brien Elementary School?

Students at Mary C O'Brien Elementary School are 52% Hispanic, 34% White, 9% Two or more races, 3% Pacific Islander, 2% African American.

Mary C O'Brien Elementary School

Summary:

Mary C O'Brien Elementary School is a public elementary school located in Casa Grande, Arizona, serving grades K-6 with a total enrollment of 120 students. The school is part of the Mary C O'Brien Accommodation District, which is ranked 6th out of 288 districts in Arizona and has a 5-star rating from SchoolDigger.

Mary C O'Brien Elementary School consistently delivers outstanding academic results, earning top rankings and ratings within the state of Arizona. The school has a high percentage of students proficient or better in English Language Arts and Mathematics across all grade levels, significantly outperforming the state averages. For example, in the 2023-2024 school year, 88% of 4th graders, 78% of 5th graders, and 86% of 6th graders were proficient or better in ELA, compared to the state averages of 46%, 38%, and 43%, respectively. In Mathematics, the school had 95% of 3rd graders, 88% of 4th graders, and 67% of 5th graders proficient or better, far exceeding the state averages of 43%, 36%, and 33%. This consistent high performance has earned the school a ranking of 14th out of 904 Arizona elementary schools, with a 5-star rating from SchoolDigger.

The school's exceptional academic environment is further highlighted when compared to the nearby schools. For instance, in the 2023-2024 school year, Mary C O'Brien Elementary School's 4th grade ELA proficiency rate of 88% was more than double the rates of the nearby schools, which ranged from 28% to 42%. This stark contrast demonstrates the school's commitment to providing a high-quality education for its diverse student population, which includes 34.17% White, 51.67% Hispanic, and 9.17% two or more races.

Detail:

Public K-6

1400 N Eleven Mile Corner Rd
Casa Grande, AZ 85194-9187

(520) 450-4400

District: Mary C O'Brien Accommodation District

SchoolDigger Rank:
14^th of 904 Arizona Elementary Schools

Per Pupil Expenditures: $22,613

Student/teacher ratio: 10.4

Number of students: 120

Racial breakdown:

Hispanic:

51.7%

White:

34.2%

Two or more races:

9.2%

Free/discounted lunch recipients: 61.7%

See top rated Arizona elementary schools

Compare Mary C O'Brien Elementary School to nearby elementary schools!

Performance Trends

Compare Details Mary C O'Brien Elementary School ranks better than 98.5% of elementary schools in Arizona. (See more...)

Compare Details In 2024 the calculated Average Standard Score was 97.37. (See more...)

Student Body

Compare Details Racial makeup is: Hispanic (51.7%), White (34.2%), two or more races (9.2%). (See more...)

Compare Details 61.7% of students are receiving a free or discounted lunch. (See more...)

Teachers

Compare Details The student/teacher ratio at Mary C O'Brien Elementary School is 10.4. (See more...)

Compare Mary C O'Brien Elementary School employs 11.5 full-time teachers.

Finance

Compare Details The average total spent per student at Mary C O'Brien Elementary School is $22,613.

Schooldigger Rankings:

Mary C O'Brien Elementary School was not ranked this year due to insufficient test score data.

Mary C O'Brien Accommodation District:

SchoolDigger ranks Mary C O'Brien Accommodation District 6^th of 288 Arizona school districts. (See district ranking list.)

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Rank History for Mary C O'Brien Elementary School

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Rank History for all students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile
2009	83.29	148^th	1062	86.1%
2010	73.71	280^th	1090	74.3%
2011	66.86	355^th	1075	67.0%
2012	80.28	193^rd	1141	83.1%
2013	80.26	178^th	1158	84.6%
2014	86.18	126^th	1079	88.3%
2016	74.85	261^st	1079	75.8%
2017	89.72	96^th	1106	91.3%
2018	91.47	84^th	1109	92.4%
2021	92.75	79^th	1226	93.6%
2022	92.98	36^th	1000	96.4%
2023	95.63	41^st	1245	96.7%
2024	97.37	14^th	904	98.5%

See the entire list of Arizona Elementary School Rankings!

Rank History for Multi-racial students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile	SchoolDigger Rating
2021	39.38	619^th	1027	39.7%

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

Rank History for Special Education students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile	SchoolDigger Rating
2021	78.07	79^th	1201	93.4%
2022	67.36	55^th	145	62.1%

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

Rank History for Female students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile
2021	79.82	227^th	1219	81.4%
2022	82.87	78^th	824	90.5%
2023	89.00	98^th	1219	92.0%

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

Rank History for Male students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile
2021	95.31	35^th	1220	97.1%
2022	81.81	103^rd	830	87.6%
2023	96.89	20^th	1216	98.4%

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

Rank History for Hispanic students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile
2018	96.06	19^th	911	97.9%
2021	94.93	26^th	1198	97.8%
2022	84.83	69^th	716	90.4%
2023	89.20	66^th	1170	94.4%

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

Rank History for Native American students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile	SchoolDigger Rating
2021	29.56	484^th	654	26.0%

See the entire list of Best Arizona Elementary Schools for Native American Students!

Rank History for Pacific Islander students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile	SchoolDigger Rating
2021	93.45	2^nd	171	98.8%

See the entire list of Best Arizona Elementary Schools for Pacific Islander Students!

Rank History for White students at Mary C O'Brien Elementary School

Year	Avg Standard Score	Statewide Rank	Total # Ranked Elementary Schools	AZ State Percentile
2021	94.30	8^th	1161	99.3%
2022	69.88	178^th	800	77.8%
2023	82.34	124^th	1024	87.9%

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

Data source: test scores: Arizona 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: Arizona Department of Education

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Enrollment information for Mary C O'Brien Elementary School

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Year	White	African American	Asian	Hispanic	American Indian	Pacific Islander	Two or More Races	Not Specified	Total
1988	15	0	1	26	7	n/a	n/a	-12	37
1989	15	2	0	27	2	n/a	n/a	28	74
1990	18	6	n/a	54	4	n/a	n/a	-20	62
1991	14	9	0	39	1	n/a	n/a	21	84
1992	21	5	0	61	1	n/a	n/a	0	88
1993	19	1	0	36	6	n/a	n/a	0	62
1994	20	8	0	41	4	n/a	n/a	0	73
1995	18	5	0	47	3	n/a	n/a	0	73
1996	18	5	0	47	3	n/a	n/a	0	73
1997	13	3	0	44	1	n/a	n/a	0	61
1998	14	2	0	52	1	n/a	n/a	0	69
1999	12	3	0	44	1	n/a	n/a	0	60
2000	17	0	0	65	2	n/a	n/a	0	84
2001	20	3	0	68	3	n/a	n/a	0	94
2002	26	7	0	61	7	n/a	n/a	0	101
2003	26	7	0	61	7	n/a	n/a	0	101
2004	27	6	0	71	7	n/a	n/a	0	111
2005	29	10	0	81	5	n/a	n/a	0	125
2006	36	6	0	67	6	n/a	n/a	0	115
2007	46	6	2	60	5	n/a	n/a	0	119
2008	47	6	2	64	3	n/a	n/a	0	122
2009	48	5	1	62	3	n/a	n/a	0	119
2010	54	5	0	59	3	n/a	n/a	0	121
2011	35	2	0	89	2	0	1	0	129
2012	27	4	0	92	1	0	1	0	125
2013	28	5	0	81	1	0	4	0	119
2014	26	3	1	82	1	0	3	0	116
2015	32	3	2	79	5	0	2	0	123
2016	33	3	2	74	3	0	3	0	118
2017	37	2	2	71	3	0	2	0	117
2018	38	1	1	67	2	2	2	0	113
2019	44	2	1	69	2	3	5	0	126
2020	52	2	0	56	5	3	7	0	125
2021	39	2	0	60	3	3	10	0	117
2022	44	1	0	58	0	4	11	0	118
2023	41	2	0	62	0	4	11	0	120

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 Mary C O'Brien Elementary School

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
1988	37	2.0	18.5	n/a
1989	74	3.0	24.6	n/a
1990	62	3.0	20.6	n/a
1991	84	4.0	21.0	n/a
1992	88	4.0	22.0	n/a
1993	62	4.0	15.5	n/a
1994	73	4.0	18.3	n/a
1995	73	4.5	16.2	n/a
1996	73	4.5	16.2	n/a
1997	61	6.0	10.2	n/a
1998	69	4.5	15.3	n/a
1999	60	4.5	13.3	n/a
2000	84	5.5	15.3	n/a
2001	94	6.5	14.5	n/a
2002	101	9.5	10.6	n/a
2003	101	9.5	10.6	n/a
2004	111	9.5	11.7	n/a
2005	125	10.5	11.9	95.2
2006	115	10.5	11.0	97.4
2007	119	10.5	11.3	58.8
2008	122	10.0	12.2	97.5
2009	119	10.8	11.0	97.5
2010	121	9.7	12.4	97.5
2011	129	9.7	13.2	97.7
2012	125	10.8	11.5	97.6
2013	119	10.8	11.0	97.5
2014	116	11.8	9.8	97.4
2015	123	12.0	10.2	0
2016	118	11.0	10.7	97.5
2017	117	10.8	10.8	97.4
2018	113	10.0	11.3	61.1
2019	126	11.0	11.4	n/a
2020	125	11.0	11.3	61.6
2021	117	11.7	10.0	n/a
2022	118	11.5	10.2	61
2023	120	11.5	10.4	61.7

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 Mary C O'Brien Elementary School

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Year	# Students	Full-time Teachers	Student/Teacher ratio	% Free/Discounted Lunch
1988	37	2.0	18.5	n/a
1989	74	3.0	24.6	n/a
1990	62	3.0	20.6	n/a
1991	84	4.0	21.0	n/a
1992	88	4.0	22.0	n/a
1993	62	4.0	15.5	n/a
1994	73	4.0	18.3	n/a
1995	73	4.5	16.2	n/a
1996	73	4.5	16.2	n/a
1997	61	6.0	10.2	n/a
1998	69	4.5	15.3	n/a
1999	60	4.5	13.3	n/a
2000	84	5.5	15.3	n/a
2001	94	6.5	14.5	n/a
2002	101	9.5	10.6	n/a
2003	101	9.5	10.6	n/a
2004	111	9.5	11.7	n/a
2005	125	10.5	11.9	95.2
2006	115	10.5	11.0	97.4
2007	119	10.5	11.3	58.8
2008	122	10.0	12.2	97.5
2009	119	10.8	11.0	97.5
2010	121	9.7	12.4	97.5
2011	129	9.7	13.2	97.7
2012	125	10.8	11.5	97.6
2013	119	10.8	11.0	97.5
2014	116	11.8	9.8	97.4
2015	123	12.0	10.2	0
2016	118	11.0	10.7	97.5
2017	117	10.8	10.8	97.4
2018	113	10.0	11.3	61.1
2019	126	11.0	11.4	n/a
2020	125	11.0	11.3	61.6
2021	117	11.7	10.0	n/a
2022	118	11.5	10.2	61
2023	120	11.5	10.4	61.7

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.

Finances

Per Pupil Expenditures for Mary C O'Brien Elementary School

Year	Personnel Expenditures from Federal Funds	Non-Personnel Expenditures from Federal Funds	Total Expenditures from Federal Funds	Personnel Expenditures from State and Local Funds	Non-Personnel Expenditures from State and Local Funds	Total Expenditures from State and Local Funds	Total Expenditures Per Pupil (All Funds)
2019	$00 (NaN)	$00 (NaN)	$00 (NaN)	$00 (NaN)	$00 (NaN)	$00 (NaN)	$00
2021	$616 (2.0%)	$1,829 (6.0%)	$3,062 (10.1%)	$22,695 (74.8%)	$5,201 (17.1%)	$27,896 (91.9%)	$30,341
2022	$03 (0.0%)	$913 (4.0%)	$920 (4.1%)	$19,132 (84.6%)	$2,564 (11.3%)	$21,696 (95.9%)	$22,613

Data source: Arizona Department of Education

Pre and Post Pandemic Data

Impact of COVID-19 on Mary C O'Brien Elementary School

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Student Body

	Number of students Pre-pandemic (2018-2019)	Number of students Post pandemic (2022-2023)	Change (%)
Total Students	126	120	4.8%
African American	2	2
American Indian	2	0	100%
Asian	1	0	100%
Hispanic	69	62	10.1%
Pacific Islander	3	4	33.3%
White	44	41	6.8%
Two or More Races	5	11	120%

Schools Near Mary C O'Brien Elementary School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2024)				Ranking (2023)				AASA English Language Arts (2024)						AASA Mathematics (2024)					Per Pupil Expenditures (2022)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	SchoolDigger Rating (2024)	Average Standard Score (2023)	Statewide Rank (2023)	State Percentile (2023)	Rank Change from Previous Year	AASA English Language Arts 3rd Grade	AASA English Language Arts 4th Grade	AASA English Language Arts 5th Grade	AASA English Language Arts 6th Grade	AASA English Language Arts 7th Grade	AASA English Language Arts 8th Grade	AASA Mathematics 3rd Grade	AASA Mathematics 4th Grade	AASA Mathematics 5th Grade	AASA Mathematics 6th Grade	AASA Mathematics 7th Grade	Per Pupil Expenditures: Total	Personnel Spending from Federal Funds	Non-Personnel Spending from Federal Funds	Sub-total from Federal Funds	Personnel Spending from State and Local Funds	Non-Personnel from State and Local Funds	Sub-total Spending from State and Local Funds
Mary C O'Brien Elementary School	Public	K-6	1400 N Eleven Mile Corner Rd	Casa Grande	85194	Pinal County	Mary C O'Brien Accommodation District	No	(n/a)	No	No	(520) 450-4400	120	12	10.4	61.7%	41 (34.2%)	2 (1.7%)	62 (51.7%)	0 (0.0%)	0 (0.0%)	4 (3.3%)	11 (9.2%)	97.4	14^th of 904 public elementary schools	98.5%		95.6	41^st of 1245 public elementary schools	96.7%	27		88.0	78.0	86.0			95.0	88.0	67.0			$22,613	$03	$913	$920	$19,132	$2,565	$21,696
West Elementary School	Public	PK, KG-6	460 S 7th St	Coolidge	85128	Pinal County	Coolidge Unified District	No	(n/a)	No	Yes	(520) 723-2703	733	27	27.1	73.8%	162 (22.1%)	78 (10.6%)	411 (56.1%)	2 (0.3%)	23 (3.1%)	1 (0.1%)	56 (7.6%)	8.1	885^th of 904 public elementary schools	2.1%		13.8	1148^th of 1245 public elementary schools	7.8%	263	14.0	25.0					20.0						$00			$00
Heartland Ranch Elementary School	Public	K-6	1667 W Caroline St	Coolidge	85128	Pinal County	Coolidge Unified District	No	(n/a)	No	Yes	(520) 424-2100	525	22	23.8	84.0%	87 (16.6%)	54 (10.3%)	266 (50.7%)	7 (1.3%)	65 (12.4%)	1 (0.2%)	45 (8.6%)	9.9	862^nd of 904 public elementary schools	4.6%		14.7	1124^th of 1245 public elementary schools	9.7%	262		29.0	19.0					11.0					$00			$00
Imagine Coolidge Elementary	Public, Charter	K-5	1290 W Vah Ki Inn Rd	Coolidge	85128	Pinal County	Imagine Coolidge Elementary Inc.	Yes	(n/a)	No	Yes	(520) 723-5391	681			81.8%	111 (16.3%)	81 (11.9%)	401 (58.9%)	3 (0.4%)	40 (5.9%)	2 (0.3%)	43 (6.3%)	28.5	592^nd of 904 public elementary schools	34.5%		37	721^st of 1245 public elementary schools	42.1%	129	24.0	48.0	28.0				37.0	30.0	32.0				$00			$00
Desert Willow Elementary School	Public	PK, KG-8	2172 N Arizola Rd	Casa Grande	85122	Pinal County	Casa Grande Elementary District	No	(n/a)	No	Yes	(520) 876-5397	471	23	20.4	53.9%	156 (33.1%)	18 (3.8%)	257 (54.6%)	4 (0.8%)	10 (2.1%)	1 (0.2%)	25 (5.3%)	12.5	825^th of 904 public elementary schools	8.7%		31.1	802^nd of 1245 public elementary schools	35.6%	23	31.0	24.0	22.0				20.0	16.0				$7,769	$1,200	$266	$2,665	$5,291	$1,012	$6,303
Mesquite Elementary School	Public	PK, KG-8	129 N Arizola Rd	Casa Grande	85122	Pinal County	Casa Grande Elementary District	No	(n/a)	No	Yes	(520) 836-7787	467	24	19.4	84.8%	100 (21.4%)	28 (6.0%)	269 (57.6%)	2 (0.4%)	42 (9.0%)	4 (0.9%)	22 (4.7%)	10.8	853^rd of 904 public elementary schools	5.6%		11.8	1188^th of 1245 public elementary schools	4.6%	335	20.0	28.0					20.0	20.0				$9,356	$1,773	$257	$3,803	$5,835	$1,491	$7,326
The Grande Innovation	Public, Charter	K-8	950 N Peart Rd	Casa Grande	85122	Pinal County	The Grande Innovation Academy	Yes	(n/a)	No	Yes	(520) 381-2360	827			55.9%	224 (27.1%)	27 (3.3%)	522 (63.1%)	5 (0.6%)	8 (1.0%)	4 (0.5%)	37 (4.5%)	20	694^th of 904 public elementary schools	23.2%		32	786^th of 1245 public elementary schools	36.9%	92	42.0	29.0	22.0	33.0	46.0	38.0	32.0	17.0	16.0	24.0	25.0		$00			$00
Curiel School	Public	PK, KG-3	1000 Curiel Street	Eloy	85231	Pinal County	Eloy Elementary District	No	(n/a)	No	Yes	(520) 466-2120	241	15	16.0	93.4%	14 (5.8%)	29 (12.0%)	184 (76.3%)	0 (0.0%)	5 (2.1%)	1 (0.4%)	8 (3.3%)								(n/a)												$13,029	$2,513	$663	$5,688	$7,231	$2,623	$9,854
Eloy Intermediate School	Public	1-8	1101 N. Sunshine Blvd.	Eloy	85231	Pinal County	Eloy Elementary District	No	(n/a)	No	Yes	(520) 466-2130	260	15	17.3	88.8%	16 (6.2%)	28 (10.8%)	196 (75.4%)	0 (0.0%)	7 (2.7%)	1 (0.4%)	12 (4.6%)	11.8	836^th of 904 public elementary schools	7.5%		16.6	1079^th of 1245 public elementary schools	13.3%	243	24.0	29.0	20.0				19.0					$10,857	$1,877	$529	$4,283	$6,083	$2,368	$8,451
Ironwood School	Public	PK, KG-8	1500 N Colorado St	Casa Grande	85122	Pinal County	Casa Grande Elementary District	No	(n/a)	No	Yes	(520) 836-5086	478	24	20.3	64.9%	84 (17.6%)	21 (4.4%)	346 (72.4%)	6 (1.3%)	3 (0.6%)	1 (0.2%)	17 (3.6%)	6.4	896^th of 904 public elementary schools	0.9%		16.7	1077^th of 1245 public elementary schools	13.5%	181	13.0	23.0	16.0				12.0		15.0			$8,103	$1,392	$274	$3,059	$5,719	$717	$6,436

Mary C O'Brien Elementary School

Mary C O'Brien Accommodation District:

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Rank History for Mary C O'Brien Elementary School

Rank History for all students at Mary C O'Brien Elementary School

Rank History for Multi-racial students at Mary C O'Brien Elementary School

Rank History for Special Education students at Mary C O'Brien Elementary School

Rank History for Female students at Mary C O'Brien Elementary School

Rank History for Male students at Mary C O'Brien Elementary School

Rank History for Hispanic students at Mary C O'Brien Elementary School

Rank History for Native American students at Mary C O'Brien Elementary School

Rank History for Pacific Islander students at Mary C O'Brien Elementary School

Rank History for White students at Mary C O'Brien Elementary School

Enrollment information for Mary C O'Brien Elementary School

Students eligible for free or discounted lunch at Mary C O'Brien Elementary School

Student/Teacher Ratio Mary C O'Brien Elementary School

Per Pupil Expenditures for Mary C O'Brien Elementary School

Impact of COVID-19 on Mary C O'Brien Elementary School

Student Body

Schools Near Mary C O'Brien Elementary School