publicmiddleK-6

Mary C O'Brien Elementary School

1400 N Eleven Mile Corner Rd, Casa Grande, AZ 85194, United States

+1 (520) 450-4400

http://www.pinalk12.org

N/A

Overall Rating

Location

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Mary C O'Brien Elementary School Overview

About This School

Mary C O'Brien Elementary School is a public middle in Casa Grande, Arizona, serving 123 students in grades K-6. The school maintains a 9:1 student-teacher ratio with 12 teachers on staff, while the average teacher salary is $66,714. Students are composed of 51% male and 49% female. The student body is 53% Hispanic, 37% White, 7% Two or More Races, and 1% Black.

123

Total Students

K-6

9:1

Student-Teacher Ratio

12 full-time teachers

Academic Performance

Percentage of students who met or exceeded state standards

English Language Arts0%

Mathematics0%

Science0%

School Information

School Type

public

Grade Levels

K-6

County

Pinal County

Students per Counselor

N/A:1

Mary C O'Brien Elementary School Academics & Test Scores

Test Scores

State assessment results showing percentage of students proficient or above

N/A

English Language Arts

N/A

Mathematics

N/A

Science

Class Information

9:1

Student-Teacher Ratio

City Avg: 19.9:1

State Avg: 17.5:1

Students per Counselor

Mary C O'Brien Elementary School Teachers & Staff

Teaching Staff

Total Full-Time Teachers

Average Teacher Salary

$66,714

City Avg: $54,941

State Avg: $56,704

Based on state average salaries for full-time teachers

Support Staff

Student-Teacher Ratio9:1

Students per Counselor:1

Mary C O'Brien Elementary School Student Demographics

Student Body

51.22%

Male

48.78%

Female

Total Enrollment: 123 students

Racial & Ethnic Diversity

White36.59%

Hispanic52.85%

Asian0%

Black0.81%

Two or More Races7.32%

Native American2.44%

Mary C O'Brien Elementary School Reviews

Frequently Asked Questions About Mary C O'Brien Elementary School

Q: What is Mary C O'Brien Elementary School?

A: Mary C O'Brien Elementary School is a middle public located in Casa Grande.

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

A: Mary C O'Brien Elementary School has approximately 123 students enrolled.

Q: What is the student-teacher ratio at Mary C O'Brien Elementary School?

A: The student-teacher ratio at Mary C O'Brien Elementary School is 9:1.

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Detailed Information about Mary C O'Brien Elementary School

Data sourced from NCES, CCD, and state education agencies. Last verified: May 2026. See methodology →

Schoolary Research Team

Verified with NCES & state education agency data

About Mary C O'Brien Elementary School - Casa Grande, AZ

Quick Facts about Mary C O'Brien Elementary School
School Name	Mary C O'Brien Elementary School
School Type	public
Grade Levels	K-6
Location	1400 N Eleven Mile Corner Rd, Casa Grande, AZ 85194, Casa Grande, AZ
County	Pinal County
Phone	+1 (520) 450-4400
Total Students	123
Student-Teacher Ratio	9:1
Full-Time Teachers	12
Rating	/10
ELA Proficiency	%
Math Proficiency	%
Science Proficiency	%

Frequently Asked Questions about Mary C O'Brien Elementary School

What is Mary C O'Brien Elementary School?

Mary C O'Brien Elementary School is a middle public located in Casa Grande.

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

Mary C O'Brien Elementary School has approximately 123 students enrolled.

What is the student-teacher ratio at Mary C O'Brien Elementary School?

The student-teacher ratio at Mary C O'Brien Elementary School is 9:1.

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