Blackwell Elementary School

3470 Canton Rd
Marietta, GA 30066
(School attendance zone shown in map)
7/
10
Top 50%
Serving 580 students in grades Prekindergarten-5, Blackwell Elementary School ranks in the top 50% of all schools in Georgia for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 38% (which is lower than the Georgia state average of 39%). The percentage of students achieving proficiency in reading/language arts is 42% (which is higher than the Georgia state average of 40%).
The student-teacher ratio of 12:1 is lower than the Georgia state level of 14:1.
Minority enrollment is 57% of the student body (majority Hispanic), which is lower than the Georgia state average of 66% (majority Black).

Quick Facts (2026-27)

  • Grades: Prekindergarten-5
  • Enrollment: 580 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 57%
  • : Top 50% in GA
  • : 38% (Top 50%)
  • : 42% (Top 50%)
  • : 35-39% (Top 50%)
  • : Blackwell Elementary School serves the northern part of Marietta, GA, covering an area of approximately 5.5 square miles. Most students live within a 5-10 minute drive from the school, with an average distance of 1.7 miles to the zone's edge and up to 3.2 miles to its furthest point.
  • Source: National Center for Education Statistics (NCES), GA Dept. of Education

School Overview

Blackwell Elementary School's student population of 580 students has declined by 11% over five school years.
The teacher population of 48 teachers has declined by 11% over five school years.
Grades Offered
Grades Prekindergarten-5
(No virtual instruction)
Total Students
580 students
Total Classroom Teachers
48 teachers
Year Founded
1927
School Calendar

School Rankings

Blackwell Elementary School ranks within the top 50% of all 2,192 schools in Georgia (based off of combined math and reading proficiency testing data).
The diversity score of Blackwell Elementary School is 0.72, which is equal to the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
This School
State Level (GA)
#830 out of 2192 schools
(Top 50%)
38%
39%
42%
40%
35-39%
40%
Student-Teacher Ratio
12:1
14:1
American Indian
n/a
n/a
Asian
6%
5%
Hispanic
25%
20%
Black
16%
36%
White
43%
34%
Hawaiian
n/a
n/a
Two or more races
10%
5%
All Ethnic Groups
57%
0.72
(22-23)
18.8%
26.2%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
43%
63%
Eligible for Reduced Lunch
11%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), GA Dept. of Education

Frequently Asked Questions

What is Blackwell Elementary School's ranking?
Blackwell Elementary School is ranked #830 out of 2,192 schools, which ranks it among the top 50% of public schools in Georgia.
What schools are Blackwell Elementary School often compared to?
Blackwell Elementary Schoolis often viewed alongside schools like Nicholson Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
38% of students have achieved math proficiency (compared to the 39% GA state average), while 42% of students have achieved reading proficiency (compared to the 40% GA state average).
How many students attend Blackwell Elementary School?
580 students attend Blackwell Elementary School.
What is the racial composition of the student body?
43% of Blackwell Elementary School students are White, 25% of students are Hispanic, 16% of students are Black, 10% of students are Two or more races, and 6% of students are Asian.
What is the student-teacher ratio of Blackwell Elementary School?
Blackwell Elementary School has a student ration of 12:1, which is lower than the Georgia state average of 14:1.
What grades does Blackwell Elementary School offer ?
Blackwell Elementary School offers enrollment in grades Prekindergarten-5 (No virtual instruction).
What school district is Blackwell Elementary School part of?
Blackwell Elementary School is part of Cobb County School District.

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Quick Facts (2026-27)

  • Grades: Prekindergarten-5
  • Enrollment: 580 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 57%
  • : Top 50%
  • : 38% (Top 50%)
  • : 42% (Top 50%)
  • : 35-39% (Top 50%)
  • : Blackwell Elementary School serves the northern part of Marietta, GA, covering an area of approximately 5.5 square miles. Most students live within a 5-10 minute drive from the school, with an average distance of 1.7 miles to the zone's edge and up to 3.2 miles to its furthest point.
  • Source: National Center for Education Statistics (NCES), GA Dept. of Education

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