Serving 646 students in grades Prekindergarten-5, Garrison Mill Elementary School ranks in the top 5% of all schools in Georgia for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 78% (which is higher than the Georgia state average of 37%). The percentage of students achieving proficiency in reading/language arts is 75% (which is higher than the Georgia state average of 40%).
The student:teacher ratio of 14:1 is equal to the Georgia state level of 14:1.
Minority enrollment is 29% of the student body (majority Hispanic and Asian), which is lower than the Georgia state average of 65% (majority Black).
Quick Stats (2025)
- Grades: Prekindergarten-5
- Enrollment: 646 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 29%
- Overall Testing Rank: Top 5% in GA
- Math Proficiency: 78% (Top 5%)
- Reading Proficiency: 75% (Top 5%)
- Science Proficiency: 75-79% (Top 5%)
- Source: National Center for Education Statistics (NCES), GA Dept. of Education
Top Rankings
Garrison Mill Elementary School ranks among the top 20% of public schools in Georgia for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Garrison Mill Elementary School's student population of 646 students has declined by 5% over five school years.
The teacher population of 45 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
Total Students
646 students
Gender %
Total Classroom Teachers
45 teachers
Students by Grade
School Calendar
School Rankings
Garrison Mill Elementary School ranks within the top 5% of all 2,204 schools in Georgia (based off of combined math and reading proficiency testing data).
The diversity score of Garrison Mill Elementary School is 0.48, which is less than the diversity score at state average of 0.71. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#59 out of 2204 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
78%
37%
Reading/Language Arts Test Scores (% Proficient)
75%
40%
Science Test Scores (% Proficient)
75-79%
40%
Student : Teacher Ratio
14:1
14:1
American Indian
n/a
n/a
Asian
9%
5%
Hispanic
9%
19%
Black
6%
36%
White
71%
35%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
10%
59%
Eligible for Reduced Lunch
4%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), GA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Garrison Mill Elementary School's ranking?
Garrison Mill Elementary School is ranked #59 out of 2,204 schools, which ranks it among the top 5% of public schools in Georgia.
What schools are Garrison Mill Elementary School often compared to?
Garrison Mill Elementary Schoolis often viewed alongside schools like Tritt Elementary School, Rocky Mount Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
78% of students have achieved math proficiency (compared to the 37% GA state average), while 75% of students have achieved reading proficiency (compared to the 40% GA state average).
How many students attend Garrison Mill Elementary School?
646 students attend Garrison Mill Elementary School.
What is the racial composition of the student body?
71% of Garrison Mill Elementary School students are White, 9% of students are Asian, 9% of students are Hispanic, 6% of students are Black, and 5% of students are Two or more races.
What is the student:teacher ratio of Garrison Mill Elementary School?
Garrison Mill Elementary School has a student ration of 14:1, which is equal to the Georgia state average of 14:1.
What grades does Garrison Mill Elementary School offer ?
Garrison Mill Elementary School offers enrollment in grades Prekindergarten-5
What school district is Garrison Mill Elementary School part of?
Garrison Mill Elementary School is part of Cobb County School District.
School Reviews
5 4/6/2019
I have been surprised by the high quality of teachers at Garrison Mill. We have zero complaints and feel unbelievable lucky to have had our daughter attend this school.
5 1/17/2018
This is a great school. I have experienced good relationships between teachers and parents.The school has done wonders for by special needs children.There is a great variety of clubs after school.Surprised at the negative reviews here. Many parents move to this area for the school.
5 8/2/2017
Scores speak for themselves
2 6/10/2017
I had other children go through this school years ago. I enrolled my youngest, this will be our last year attending here and I'm glad.
2 2/26/2016
26 students in my son's 3rd grade class. 25 in my daughter's 4th grade class. The school is not STEM certified and does not teach a foreign language.
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