For the 2026 school year, there are 30 public high schools serving 30,471 students in Dekalb County, GA.
The top-ranked public high schools in Dekalb County, GA are Dekalb Early College Academy, Decatur High School and Chamblee High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Dekalb County, GA public high schools have an average math proficiency score of 25% (versus the Georgia public high school average of 35%), and reading proficiency score of 37% (versus the 43% statewide average). High schools in Dekalb County have an average ranking of 4/10, which is in the bottom 50% of Georgia public high schools.
Dekalb County, GA public high school have a Graduation Rate of 79%, which is less than the Georgia average of 85%.
The school with highest graduation rate is Arabia Mountain High School - Academy Of Engineering- Medic, with ≥99% graduation rate. Read more about public school graduation rate statistics in Georgia or national school graduation rate statistics.
Minority enrollment is 87% of the student body (majority Black), which is more than the Georgia public high school average of 65% (majority Black).
Best Public High Schools in Dekalb County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Dekalb Early College Academy
(Math: 80-84% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
1701 Mountain Industrial Blvd
Stone Mountain, GA 30083
(678) 676-0221
Stone Mountain, GA 30083
(678) 676-0221
Gr: 9-12 | 314 students Student-teacher ratio: 17:1 Minority enrollment: 99%
Rank: #22.
Decatur High School
(Math: 58% | Reading: 64%)
Rank:
Rank:
9/
Top 20%10
310 N Mcdonough St
Decatur, GA 30030
(404) 370-4420
Decatur, GA 30030
(404) 370-4420
Gr: 9-12 | 1,901 student Student-teacher ratio: 14:1 Minority enrollment: 41%
Rank: #33.
Chamblee High School
(Math: 50% | Reading: 63%)
Rank:
Rank:
9/
Top 20%10
3688 Chamblee Dunwoody Rd
Atlanta, GA 30341
(678) 676-6902
Atlanta, GA 30341
(678) 676-6902
Gr: 9-12 | 1,867 student Student-teacher ratio: 17:1 Minority enrollment: 68%
Rank: #44.
Charles Drew Charter Ja/sr Academy
Charter School
(Math: 50% | Reading: 56%)
Rank:
Rank:
9/
Top 20%10
300 E Lake Blvd Se
Atlanta, GA 30317
(404) 687-0001
Atlanta, GA 30317
(404) 687-0001
Gr: 6-12 | 941 students Student-teacher ratio: 11:1 Minority enrollment: 82%
Rank: #55.
Dekalb School Of The Arts
(Math: 30-39% | Reading: 85-89%)
Rank:
Rank:
8/
Top 30%10
1192 Clarendon Ave
Avondale Estates, GA 30002
(678) 676-2502
Avondale Estates, GA 30002
(678) 676-2502
Gr: 8-12 | 298 students Student-teacher ratio: 13:1 Minority enrollment: 76%
Rank: #66.
Dunwoody High School
(Math: 38% | Reading: 53%)
Rank:
Rank:
7/
Top 50%10
5035 Vermack Rd
Atlanta, GA 30338
(678) 874-8502
Atlanta, GA 30338
(678) 874-8502
Gr: 9-12 | 2,012 students Student-teacher ratio: 16:1 Minority enrollment: 63%
Rank: #77.
Arabia Mountain High School - Academy Of Engineering- Medic
(Math: 31% | Reading: 64%)
Rank:
Rank:
7/
Top 50%10
6610 Browns Mill Rd
Lithonia, GA 30038
(678) 875-3602
Lithonia, GA 30038
(678) 875-3602
Gr: 9-12 | 1,224 student Student-teacher ratio: 17:1
Rank: #88.
Lakeside High School
(Math: 30% | Reading: 50%)
Rank:
Rank:
7/
Top 50%10
3801 Briarcliff Rd Ne
Atlanta, GA 30345
(678) 874-6702
Atlanta, GA 30345
(678) 874-6702
Gr: 9-12 | 2,234 students Student-teacher ratio: 17:1 Minority enrollment: 71%
Rank: #99.
Tucker High School
(Math: 34% | Reading: 37%)
Rank:
Rank:
6/
Top 50%10
5036 Lavista Rd
Tucker, GA 30084
(678) 874-3702
Tucker, GA 30084
(678) 874-3702
Gr: 9-12 | 1,614 student Student-teacher ratio: 15:1 Minority enrollment: 90%
Rank: #1010.
Margaret Harris Comprehensive School
(Math: 20-29% | Reading: 40-59%)
Rank:
Rank:
6/
Top 50%10
1634 Knob Hill Dr Ne
Atlanta, GA 30329
(678) 874-7002
Atlanta, GA 30329
(678) 874-7002
Gr: PK-12 | 76 students Student-teacher ratio: 4:1 Minority enrollment: 89%
Rank: #1111.
Tapestry Public Charter School
Charter School
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
3130 Raymond Dr
Atlanta, GA 30340
(678) 676-1200
Atlanta, GA 30340
(678) 676-1200
Gr: 6-12 | 300 students Student-teacher ratio: 8:1 Minority enrollment: 53%
Rank: #1212.
Southwest Dekalb High School
(Math: 19% | Reading: 38%)
Rank:
Rank:
4/
Bottom 50%10
2863 Kelley Chapel Rd
Decatur, GA 30034
(678) 874-1902
Decatur, GA 30034
(678) 874-1902
Gr: 9-12 | 1,237 student Student-teacher ratio: 15:1
Rank: #1313.
Morrow High School
(Math: 13% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
4930 Steele Road
Ellenwood, GA 30294
(770) 473-3241
Ellenwood, GA 30294
(770) 473-3241
Gr: 9-12 | 2,077 students Student-teacher ratio: 20:1 Minority enrollment: 99%
Rank: #1414.
Stephenson High School
(Math: 18% | Reading: 25%)
Rank:
Rank:
3/
Bottom 50%10
701 Stephenson Rd
Stone Mountain, GA 30087
(678) 676-4202
Stone Mountain, GA 30087
(678) 676-4202
Gr: 9-12 | 1,339 student Student-teacher ratio: 17:1 Minority enrollment: 99%
Rank: #1515.
Georgia Fugees Academy Charter School
Charter School
(Math: 25-29% | Reading: 10-14%)
Rank:
Rank:
3/
Bottom 50%10
4046 Chamblee Tucker Rd
Atlanta, GA 30340
(470) 412-0571
Atlanta, GA 30340
(470) 412-0571
Gr: 6-12 | 165 students Student-teacher ratio: 11:1 Minority enrollment: 68%
Rank: #1616.
Clarkston High School
(Math: 18% | Reading: 22%)
Rank:
Rank:
2/
Bottom 50%10
618 N Indian Creek Dr
Clarkston, GA 30021
(678) 676-5302
Clarkston, GA 30021
(678) 676-5302
Gr: 9-12 | 1,441 student Student-teacher ratio: 13:1 Minority enrollment: 91%
Rank: #1717.
Miller Grove High School
(Math: 14% | Reading: 25%)
Rank:
Rank:
2/
Bottom 50%10
2645 Dekalb Medical Pkwy
Lithonia, GA 30058
(678) 875-1102
Lithonia, GA 30058
(678) 875-1102
Gr: 9-12 | 1,073 student Student-teacher ratio: 15:1
Rank: #1818.
Stone Mountain High School
(Math: 13% | Reading: 24%)
Rank:
Rank:
2/
Bottom 50%10
4555 Central Dr
Stone Mountain, GA 30083
(678) 676-6302
Stone Mountain, GA 30083
(678) 676-6302
Gr: 9-12 | 1,254 student Student-teacher ratio: 16:1 Minority enrollment: 98%
Rank: #1919.
Cross Keys High School
(Math: 17% | Reading: 18%)
Rank:
Rank:
2/
Bottom 50%10
1626 N Druid Hills Rd Ne
Atlanta, GA 30319
(678) 874-6102
Atlanta, GA 30319
(678) 874-6102
Gr: 9-12 | 1,748 student Student-teacher ratio: 14:1 Minority enrollment: 99%
Rank: #2020.
Cedar Grove High School
(Math: 19% | Reading: 15%)
Rank:
Rank:
2/
Bottom 50%10
2360 River Rd
Ellenwood, GA 30294
(678) 874-4002
Ellenwood, GA 30294
(678) 874-4002
Gr: 9-12 | 1,121 student Student-teacher ratio: 14:1
Rank: #2121.
Columbia High School
(Math: 9% | Reading: 23%)
Rank:
Rank:
2/
Bottom 50%10
2106 Columbia Dr
Decatur, GA 30032
(678) 874-0802
Decatur, GA 30032
(678) 874-0802
Gr: 9-12 | 877 students Student-teacher ratio: 14:1
Rank: #2222.
Lithonia High School
(Math: 11% | Reading: 21%)
Rank:
Rank:
2/
Bottom 50%10
2440 Phillips Rd
Lithonia, GA 30058
(678) 676-2902
Lithonia, GA 30058
(678) 676-2902
Gr: 9-12 | 1,547 student Student-teacher ratio: 16:1 Minority enrollment: 98%
Rank: #2323.
Martin Luther King- Jr. High School
(Math: 7% | Reading: 22%)
Rank:
Rank:
2/
Bottom 50%10
3991 Snapfinger Rd
Lithonia, GA 30038
(678) 874-5402
Lithonia, GA 30038
(678) 874-5402
Gr: 9-12 | 1,370 student Student-teacher ratio: 16:1 Minority enrollment: 99%
Rank: #2424.
Towers High School
(Math: 5% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
3919 Brookcrest Cir
Decatur, GA 30032
(678) 874-2202
Decatur, GA 30032
(678) 874-2202
Gr: 9-12 | 876 students Student-teacher ratio: 17:1 Minority enrollment: 98%
Rank: #2525.
Redan High School
(Math: 12% | Reading: 15%)
Rank:
Rank:
1/
Bottom 50%10
5247 Redan Rd
Stone Mountain, GA 30088
(678) 676-3602
Stone Mountain, GA 30088
(678) 676-3602
Gr: 9-12 | 1,052 student Student-teacher ratio: 18:1 Minority enrollment: 99%
Rank: #2626.
Elizabeth Andrews High School
(Math: ≤10% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
1701 Mountain Industrial Blvd
Stone Mountain, GA 30083
(678) 676-2602
Stone Mountain, GA 30083
(678) 676-2602
Gr: 10-12 | 167 students Student-teacher ratio: 5:1 Minority enrollment: 98%
Rank: #2727.
Atlanta Area School For The Deaf
Special Education School
(Math: ≤5% | Reading: ≤5%)
Rank:
Rank:
1/
Bottom 50%10
890 N Indian Creek Dr
Clarkston, GA 30021
(404) 298-4868
Clarkston, GA 30021
(404) 298-4868
Gr: PK-12 | 110 students Student-teacher ratio: 3:1 Minority enrollment: 88%
Rank: n/an/a
The Anchor School
Charter School
2460 Wesley Chapel Road
Decatur, GA 30035
(678) 503-4880
Decatur, GA 30035
(678) 503-4880
Gr: 6-12 | 208 students Student-teacher ratio: 14:1 Minority enrollment: 98%
Rank: n/an/a
Dekalb Regional Youth Detention Center
Alternative School
2946 Clifton Springs Rd
Decatur, GA 30034
(404) 244-2183
Decatur, GA 30034
(404) 244-2183
Gr: 5-12 | 11 students Student-teacher ratio: 2:1
Rank: n/an/a
Utopian Academy For The Arts High School
Charter School
2299 Old Rex Marrow Road
Ellenwood, GA 30294
(470) 446-1070
Ellenwood, GA 30294
(470) 446-1070
Gr: 9-12 | 291 students Student-teacher ratio: 12:1 Minority enrollment: 99%
Frequently Asked Questions
What are the top-ranked public high schools in Dekalb County, GA?
The top-ranked public high schools in Dekalb County, GA include Dekalb Early College Academy, Decatur High School and Chamblee High School.
How many public high schools are located in Dekalb County?
32 public high schools are located in Dekalb County.
What is the racial composition of students in Dekalb County?
Dekalb County public high schools minority enrollment is 87% of the student body (majority Black), which is more than the Georgia public high schools average of 65% (majority Black).
Which public high schools in Dekalb County are often viewed compared to one another?
Popular comparisons of public high schools in Dekalb County include: Towers High School vs. Columbia High School, Columbia High School vs. Towers High School, Tapestry Public Charter School vs. Chamblee High School
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