Top Rankings
Mary C O'brien Accommodation District (4435) ranks among the top 20% of public school district in Arizona for:
Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 5%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2026-27 school year, there is 1 public elementary school serving 123 students in Mary C O'brien Accommodation District (4435). This district's average elementary testing ranking is 10/10, which is in the top 5% of public elementary schools in Arizona.
Public Elementary School in Mary C O'brien Accommodation District (4435) have an average math proficiency score of 77% (versus the Arizona public elementary school average of 35%), and reading proficiency score of 77% (versus the 40% statewide average).
Minority enrollment is 63% of the student body (majority Hispanic), which is less than the Arizona public elementary school average of 67% (majority Hispanic).
Overview
This School District
This State (AZ)
# Schools
2 Schools
1,639 Schools
# Students
198 Students
752,250 Students
# Teachers
24 Teachers
43,921 Teachers
Student-Teacher Ratio
8:1
8:1
Student By Grade
District Rank
Mary C O'brien Accommodation District (4435), which is ranked within the top 10% of all 599 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 30% has increased from 11-19% over five school years.
Overall District Rank
#37 out of 618 school districts
(Top 10%)
(Top 10%)
Showing 2013–2023. View full 14-year historical data
Math Test Scores (% Proficient)
77%
34%
Showing 2013–2023. View full 14-year historical data
Reading/Language Arts Test Scores (% Proficient)
65-69%
40%
Showing 2012–2022. View full 13-year historical data
Science Test Scores (% Proficient)
≤10%
24%
Graduation Rate
30%
77.8%
Showing 2014–2023. View full 13-year historical data
Chronically Absent Students
(2022-23)59.7%
41.2%
Students by Ethnicity:
Diversity Score
0.50
0.66
Showing 2014–2023. View full 36-year historical data
% American Indian
3%
5%
Showing 2013–2022. View full 35-year historical data
% Asian
n/a
3%
% Hispanic
66%
48%
Showing 2014–2023. View full 36-year historical data
% Black
n/a
6%
Showing 2014–2023. View full 35-year historical data
% White
26%
33%
Showing 2014–2023. View full 36-year historical data
% Hawaiian
n/a
n/a
% Two or more races
5%
5%
Showing 2014–2023. View full 13-year historical data
All Ethnic Groups
District Revenue and Spending
The revenue/student of $36,465 is higher than the state median of $14,457. The school district revenue/student has grown by 14% over four school years.
The school district's spending/student of $31,035 is higher than the state median of $13,869. The school district spending/student has grown by 6% over four school years.
Total Revenue
$7 MM
$16,030 MM
Showing 2014–2023. View full 34-year historical data
Spending
$6 MM
$15,378 MM
Showing 2014–2023. View full 34-year historical data
Revenue / Student
$36,465
$14,457
Showing 2012–2023. View full 34-year historical data
Spending / Student
$31,035
$13,869
Showing 2012–2023. View full 34-year historical data
Best Mary C O'brien Accommodation District (4435) Public Elementary Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mary C O'brien Elementary School
(Math: 75-79% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
1400 N Eleven Mile Corner Rd
Casa Grande, AZ 85122
(520) 450-4400
Casa Grande, AZ 85122
(520) 450-4400
Gr: K-6 | 123 students Student-teacher ratio: 9:1 Minority enrollment: 63%
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