Serving 120 students in grades Kindergarten-6, Mary C O'brien Elementary School ranks in the top 5% of all schools in Arizona for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 70-74% (which is higher than the Arizona state average of 35%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the Arizona state average of 40%).
The student:teacher ratio of 10:1 is lower than the Arizona state level of 17:1.
Minority enrollment is 66% of the student body (majority Hispanic), which is higher than the Arizona state average of 65% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: Kindergarten-6
- Enrollment: 120 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 66%
- Overall Testing Rank: Top 5% in AZ
- Math Proficiency: 70-74% (Top 5%)
- Reading Proficiency: 75-79% (Top 5%)
- Science Proficiency: ≤20% (Btm 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Top Rankings
Mary C O'brien Elementary School ranks among the top 20% of public schools in Arizona for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Student Attention
School Overview
Mary C O'brien Elementary School's student population of 120 students has stayed relatively flat over five school years.
The teacher population of 12 teachers has grown by 9% over five school years.
School Type
Grades Offered
Grades Kindergarten-6
Total Students
120 students
Gender %
Total Classroom Teachers
12 teachers
Students by Grade
School Calendar
School Rankings
Mary C O'brien Elementary School ranks within the top 5% of all 1,956 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of Mary C O'brien Elementary School is 0.61, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#56 out of 1956 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
70-74%
35%
Reading/Language Arts Test Scores (% Proficient)
75-79%
40%
Science Test Scores (% Proficient)
≤20%
24%
Student : Teacher Ratio
10:1
17:1
American Indian
n/a
5%
Asian
n/a
3%
Hispanic
52%
47%
Black
2%
6%
White
34%
35%
Hawaiian
3%
n/a
Two or more races
9%
4%
All Ethnic Groups
Eligible for Free Lunch
52%
39%
Eligible for Reduced Lunch
10%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
What is Mary C O'brien Elementary School's ranking?
Mary C O'brien Elementary School is ranked #56 out of 1,956 schools, which ranks it among the top 5% of public schools in Arizona.
What schools are Mary C O'brien Elementary School often compared to?
Mary C O'brien Elementary Schoolis often viewed alongside schools like Legacy Traditional School - Casa Grande by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70-74% of students have achieved math proficiency (compared to the 35% AZ state average), while 75-79% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend Mary C O'brien Elementary School?
120 students attend Mary C O'brien Elementary School.
What is the racial composition of the student body?
52% of Mary C O'brien Elementary School students are Hispanic, 34% of students are White, 9% of students are Two or more races, 3% of students are Hawaiian, and 2% of students are Black.
What is the student:teacher ratio of Mary C O'brien Elementary School?
Mary C O'brien Elementary School has a student ration of 10:1, which is lower than the Arizona state average of 17:1.
What grades does Mary C O'brien Elementary School offer ?
Mary C O'brien Elementary School offers enrollment in grades Kindergarten-6
What school district is Mary C O'brien Elementary School part of?
Mary C O'brien Elementary School is part of Mary C O'brien Accommodation District (4435) School District.
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