Blackwell Elementary School (Ranked Top 50% for 2026)

3470 Canton Rd
Marietta, GA 30066

( shown in map)

Top 50%

Serving 583 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 is 38% (which is lower than the Georgia state average of 39%). The percentage of students achieving is 42% (which is higher than the Georgia state average of 40%).

The student-teacher ratio of 11:1 is lower than the Georgia state level of 14:1.

Minority enrollment is 55% of the student body (majority Hispanic), which is lower than the Georgia state average of 65% (majority Black).

Quick Facts (2026)

Grades: Prekindergarten-5
Enrollment: 583 students
Student-Teacher Ratio: 11:1
Minority Enrollment: 55%
: Top 50% in GA
: 38% (Top 50%)
: 42% (Top 50%)
: 35-39% (Top 50%)
Source: National Center for Education Statistics (NCES), GA Dept. of Education

<�鶹��ý class="so-dt-title" id="top-rankings">Top Rankings

Blackwell Elementary School ranks among the top 20% of public schools in Georgia for:

Category

Attribute

Diversity

Most diverse schools (Top 5%)

Student Attention

Lowest student-teacher ratio (Top 20%)

<�鶹��ý class='so-dt-title' id="overview">School Overview

Blackwell Elementary School's student population of 583 students has declined by 11% over five school years.

The teacher population of 52 teachers has stayed relatively flat over five school years.

Grades Offered

Grades Prekindergarten-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Blackwell Elementary School
Pre-K	16
Kind	71
1	94
2	98
3	96
4	103
5	105

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Total Students

583 students

View Data

Total Students Trends Over Years (1999-2023)
Year	Blackwell Elementary School
2023	632
2022	641
2021	656
2020	676
2019	676
2018	726
2017	726
2016	707
2015	726
2014	695
2013	691
2012	692
2011	710
2010	722
2009	709
2008	721
2007	736
2006	725
2005	717
2004	738
2003	775
2002	779
2001	872
2000	828
1999	860

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Gender %

Total Classroom Teachers

52 teachers

View Data

Total Classroom Teachers Trends Over Years (1999-2023)
Year	Blackwell Elementary School
2023	53
2022	52
2021	54
2020	53
2019	53
2018	53
2017	53
2016	53
2015	53
2014	51
2013	49
2012	54
2011	56
2010	62
2009	62
2008	64
2007	55
2006	49
2005	53
2004	53
2003	53
2002	57
2001	60
2000	51
1999	52

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Year Founded

1927

School Calendar

Last Day of School

Mon. May 25, 2026

<�鶹��ý class='so-dt-title' id="school-rankings">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 of Blackwell Elementary School is 0.71, which is equal to the diversity score at state average of 0.71. The school's diversity has stayed relatively flat over five school years.

This School

State Level (GA)

#830 out of 2192 schools
(Top 50%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Blackwell Elementary School
2023	#830
2022	#841
2021	#968
2019	#781
2018	#499
2017	#315
2016	#396
2015	#403
2014	#333
2013	#462
2012	#319

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38%

39%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	38%	39%	47%
2022	37%	37%	47%
2021	26%	36%	39%
2019	47%	44%	54%
2018	55%	42%	52%
2017	57%	41%	51%
2016	53%	41%	50%
2015	50%	38%	46%
2014	92%	79%	84%
2013	89%	83%	89%
2012	91%	81%	87%

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42%

40%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2022	42%	40%	50%
2021	38%	39%	45%
2019	47%	45%	55%
2018	50%	42%	52%
2017	58%	41%	53%
2016	53%	40%	51%
2015	50%	39%	50%
2014	98%	94%	97%
2013	98%	93%	96%
2012	98%	93%	96%
2011	94%	91%	94%

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35-39%

40%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2022	37%	40%	47%
2021	27%	38%	45%

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Student-Teacher Ratio

11:1

14:1

View Data

Student-Teacher Ratio Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	12:1	14:1	14:1
2022	12:1	14:1	14:1
2021	12:1	14:1	14:1
2020	13:1	15:1	15:1
2019	13:1	15:1	15:1
2018	14:1	16:1	15:1
2017	14:1	15:1	15:1
2016	13:1	16:1	15:1
2015	14:1	16:1	15:1
2014	14:1	16:1	16:1
2013	14:1	16:1	15:1
2012	13:1	15:1	15:1
2011	13:1	15:1	14:1
2010	12:1	14:1	13:1
2009	11:1	14:1	13:1
2008	11:1	14:1	13:1
2007	13:1	14:1	14:1
2006	15:1	15:1	15:1
2005	14:1	15:1	15:1
2004	14:1	16:1	15:1
2003	15:1	16:1	15:1
2002	14:1	16:1	16:1
2001	15:1	16:1	15:1
2000	16:1	16:1	16:1
1999	17:1	15:1	16:1

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American Indian

n/a

Asian

View Data

Asian Student Percentage Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	7%	5%	7%
2022	6%	5%	6%
2021	8%	5%	6%
2020	7%	4%	6%
2019	7%	4%	6%
2018	6%	4%	6%
2017	6%	4%	6%
2016	5%	4%	5%
2015	5%	4%	6%
2014	7%	4%	5%
2013	9%	4%	5%
2012	8%	4%	5%
2011	7%	4%	5%
2010	8%	4%	6%
2009	10%	4%	6%
2008	11%	4%	6%
2007	11%	4%	6%
2006	11%	4%	5%
2005	10%	4%	6%
2004	9%	3%	4%
2003	9%	3%	5%
2002	7%	2%	4%
2001	7%	2%	4%
2000	5%	2%	3%
1999	5%	2%	3%

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Hispanic

24%

19%

View Data

Hispanic Student Percentage Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	25%	18%	25%
2022	22%	18%	24%
2021	22%	17%	24%
2020	22%	16%	22%
2019	22%	16%	22%
2018	22%	15%	21%
2017	22%	15%	21%
2016	20%	15%	21%
2015	18%	14%	19%
2014	17%	13%	19%
2013	17%	13%	18%
2012	16%	12%	17%
2011	14%	12%	17%
2010	12%	11%	16%
2009	15%	11%	16%
2008	14%	11%	17%
2007	15%	10%	15%
2006	15%	9%	14%
2005	15%	9%	12%
2004	11%	7%	10%
2003	9%	6%	9%
2002	8%	6%	8%
2001	6%	5%	7%
2000	4%	4%	6%
1999	4%	3%	5%

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Black

16%

36%

View Data

Black Student Percentage Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	18%	36%	30%
2022	20%	36%	31%
2021	20%	36%	31%
2020	19%	37%	31%
2019	19%	37%	31%
2018	18%	37%	32%
2017	18%	37%	32%
2016	18%	37%	32%
2015	18%	37%	32%
2014	16%	37%	32%
2013	15%	37%	31%
2012	16%	37%	31%
2011	16%	37%	31%
2010	22%	37%	32%
2009	18%	39%	31%
2008	20%	39%	30%
2007	19%	39%	30%
2006	19%	39%	31%
2005	19%	38%	29%
2004	16%	38%	28%
2003	15%	38%	26%
2002	15%	38%	25%
2001	11%	38%	24%
2000	12%	38%	22%
1999	10%	38%	21%

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White

45%

35%

View Data

White Student Percentage Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	42%	36%	33%
2022	45%	37%	34%
2021	43%	38%	35%
2020	46%	39%	37%
2019	46%	39%	37%
2018	49%	40%	38%
2017	49%	40%	38%
2016	51%	41%	39%
2015	52%	42%	40%
2014	53%	43%	41%
2013	53%	43%	43%
2012	55%	44%	44%
2011	59%	44%	44%
2010	57%	45%	46%
2009	54%	46%	47%
2008	55%	46%	47%
2007	55%	47%	49%
2006	55%	48%	50%
2005	56%	49%	53%
2004	64%	52%	58%
2003	67%	53%	60%
2002	70%	54%	63%
2001	76%	55%	65%
2000	79%	56%	69%
1999	81%	57%	71%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	8%	5%	5%
2022	7%	4%	5%
2021	7%	4%	4%
2020	6%	4%	4%
2019	6%	4%	4%
2018	5%	4%	3%
2017	5%	4%	3%
2016	6%	3%	3%
2015	7%	3%	3%
2014	7%	3%	3%
2013	6%	3%	3%

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All Ethnic Groups

0.71

View Data

Diversity Score Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	0.72	0.71	0.73
2022	0.71	0.70	0.73
2021	0.72	0.70	0.73
2020	0.70	0.69	0.72
2019	0.70	0.69	0.72
2018	0.68	0.68	0.71
2017	0.68	0.68	0.71
2016	0.67	0.68	0.70
2015	0.66	0.67	0.70
2014	0.66	0.67	0.70
2013	0.66	0.67	0.69
2012	0.64	0.66	0.69
2011	0.62	0.66	0.68
2010	0.61	0.65	0.66
2009	0.67	0.64	0.66
2008	0.66	0.64	0.65
2007	0.65	0.63	0.64
2006	0.65	0.61	0.64
2005	0.65	0.61	0.62
2004	0.55	0.59	0.58
2003	0.52	0.58	0.56
2002	0.48	0.57	0.54
2001	0.41	0.56	0.51
2000	0.37	0.55	0.48
1999	0.33	0.54	0.45

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Participates in the

Yes

Eligible for

46%

59%

View Data

Free Lunch Eligibility Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	30%	54%	35%
2022	37%	53%	39%
2021	36%	53%	35%
2020	31%	55%	35%
2019	31%	55%	35%
2018	33%	57%	38%
2017	33%	57%	38%
2016	34%	57%	38%
2015	34%	57%	39%
2014	37%	56%	40%
2013	33%	53%	39%
2012	34%	51%	38%
2011	35%	51%	37%
2010	32%	48%	34%
2009	30%	44%	31%
2008	26%	42%	29%
2007	26%	42%	28%
2006	23%	42%	28%
2005	27%	39%	25%
2004	20%	38%	22%
2003	19%	37%	18%
2002	15%	36%	16%
2001	13%	35%	14%
2000	12%	36%	14%
1999	11%	37%	13%

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Eligible for

10%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (1999-2023)
Year	Blackwell Elementary School	Georgia	Cobb County School District
2023	9%	6%	7%
2022	10%	5%	6%
2021	5%	4%	5%
2020	9%	5%	6%
2019	9%	5%	6%
2018	9%	5%	6%
2017	9%	5%	6%
2016	7%	5%	5%
2015	7%	6%	5%
2014	6%	6%	6%
2013	9%	7%	6%
2012	9%	7%	6%
2011	8%	7%	6%
2010	8%	8%	7%
2009	9%	9%	7%
2008	9%	9%	6%
2007	8%	9%	6%
2006	7%	8%	6%
2005	7%	8%	6%
2004	8%	8%	6%
2003	7%	8%	6%
2002	6%	8%	6%
2001	5%	8%	5%
2000	4%	8%	5%
1999	5%	7%	5%

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School Statewide Testing

School District Name

Cobb County School District

Source: National Center for Education Statistics (NCES), GA Dept. of Education

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<�鶹��ý class='so-dt-title' id='faq'>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?

583 students attend Blackwell Elementary School.

What is the racial composition of the student body?

45% of Blackwell Elementary School students are White, 24% of students are Hispanic, 16% of students are Black, 9% 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 11:1, 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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