Largest Schools in Decatur (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 42 schools in Decatur, Georgia. Rank positions shown on each profile are within United States and Georgia.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Decatur High School Decatur · High · Grades 9–12	Public	1,901	77.4 Top 10%	63% Math proficiency	1,901
2	Beacon Hill Middle School Decatur · Middle · Grades 6–8	Public	1,285	83.7 Top 10%	63% Math proficiency	1,285
3	Southwest DeKalb High School Decatur · High · Grades 9–12	Public	1,237	19.2 Lower 50%	20% Math proficiency	1,237
4	Druid Hills Middle School Decatur · Middle · Grades 6–8	Public	985	44.6 Lower 50%	41% Math proficiency	985
5	Columbia High School Decatur · High · Grades 9–12	Public	877	11.8 Lower 50%	7% Math proficiency	877
6	Towers High School Decatur · High · Grades 9–12	Public	876	11.2 Lower 50%	12% Math proficiency	876
7	Peachcrest Elementary School Decatur · Elementary · Grades PK–5	Public	729	11.7 Lower 50%	16% Math proficiency	729
8	McNair Middle School Decatur · Middle · Grades 6–8	Public	701	11.9 Lower 50%	8% Math proficiency	701
9	Oak View Elementary Decatur · Elementary · Grades PK–5	Public	685	15.1 Lower 50%	21% Math proficiency	685
10	Cedar Grove Middle School Decatur · Middle · Grades 6–8	Public	685	14.5 Lower 50%	15% Math proficiency	685
11	Mary McLeod Bethune Middle School Decatur · Middle · Grades 6–8	Public	655	13.9 Lower 50%	9% Math proficiency	655
12	Miller Grove Middle School Decatur · Middle · Grades 6–8	Public	625	13.3 Lower 50%	11% Math proficiency	625
13	Talley Street Upper Elementary School Decatur · Elementary · Grades 3–5	Public	623	85.2 Top 5%	21.2% Free/reduced-price lunch	623
14	Chapel Hill Middle School Decatur · Middle · Grades 6–8	Public	614	20.4 Lower 50%	23% Math proficiency	614
15	Columbia Middle School Decatur · Middle · Grades 6–8	Public	571	17.4 Lower 50%	12% Math proficiency	571
16	DeKalb Preparatory Academy Charter Decatur · Elementary · Grades K–8	Charter	537	17.8 Lower 50%	24% Math proficiency	537
17	Narvie Harris Elementary School Decatur · Elementary · Grades PK–5	Public	535	48.9 Lower 50%	51% Math proficiency	535
18	Fifth Avenue Upper Elementary School Decatur · Elementary · Grades 3–5	Public	529	87.4 Top 5%	68% Math proficiency	529
19	International Community School Decatur · Elementary · Grades K–5	Charter	501	28.0 Lower 50%	37% Math proficiency	501
20	Chapel Hill Elementary School Decatur · Elementary · Grades PK–5	Public	495	18.5 Lower 50%	25% Math proficiency	495
21	Ronald E McNair Discover Learning Academy Elementary School Decatur · Elementary · Grades PK–5	Public	475	14.0 Lower 50%	18% Math proficiency	475
22	Canby Lane Elementary School Decatur · Elementary · Grades PK–5	Public	446	14.4 Lower 50%	16% Math proficiency	446
23	Laurel Ridge Elementary School Decatur · Elementary · Grades PK–5	Public	440	70.7 Top 25%	61% Math proficiency	440
24	Flat Shoals Elementary School Decatur · Elementary · Grades PK–5	Public	373	14.3 Lower 50%	11% Math proficiency	373
25	Bob Mathis Elementary School Decatur · Elementary · Grades PK–5	Public	368	26.2 Lower 50%	27% Math proficiency	368
26	Columbia Elementary School Decatur · Elementary · Grades PK–5	Public	364	21.4 Lower 50%	26% Math proficiency	364
27	Briarlake Elementary School Decatur · Elementary · Grades PK–5	Public	360	76.8 Top 25%	61% Math proficiency	360
28	DeKalb Brilliance Academy Decatur · Elementary · Grades K–8	Charter	357	17.4 Lower 50%	100% Free/reduced-price lunch	357
29	Snapfinger Elementary School Decatur · Elementary · Grades PK–5	Public	356	16.1 Lower 50%	9% Math proficiency	356
30	McLendon Elementary School Decatur · Elementary · Grades PK–5	Public	342	34.6 Lower 50%	42% Math proficiency	342
31	Rainbow Elementary School Decatur · Elementary · Grades PK–5	Public	337	25.4 Lower 50%	27% Math proficiency	337
32	Kelley Lake Elementary School Decatur · Elementary · Grades PK–5	Public	302	29.4 Lower 50%	37% Math proficiency	302
33	Winnona Park Elementary School Decatur · Elementary · Grades PK–2	Public	276	82.6 Top 10%	67% Math proficiency	276
34	Wadsworth Magnet School for High Achievers Decatur · Middle · Grades 4–8	Public	273	75.4 Top 25%	97.5% Math proficiency	273
35	PEACE Academy Charter School Decatur · Elementary · Grades K–4	Charter	241	19.4 Lower 50%	100% Free/reduced-price lunch	241
36	Oakhurst Elementary School Decatur · Elementary · Grades PK–2	Public	233	94.9 Top 5%	87% Math proficiency	233
37	Coralwood Education Center Decatur · Elementary · Grades PK–K	Public	218	74.4 Top 25%	43.6% Free/reduced-price lunch	218
38	The Anchor School Decatur · High · Grades 6–12	Charter	208	22.5 Lower 50%	100% Free/reduced-price lunch	208
39	Toney Elementary School Decatur · Elementary · Grades PK–5	Public	207	16.0 Lower 50%	17% Math proficiency	207
40	Glennwood Elementary School Decatur · Elementary · Grades PK–2	Public	184	85.1 Top 5%	72% Math proficiency	184
41	Westchester Elementary School Decatur · Elementary · Grades PK–2	Public	174	91.4 Top 5%	82% Math proficiency	174
42	Clairemont Elementary School Decatur · Elementary · Grades PK–2	Public	162	76.9 Top 25%	62% Math proficiency	162

Decatur High School in Decatur leads the 2025 list of largest schools in Decatur with Enrollment 1,901. Of the 42 schools shown, 37 are public, 5 are charter.

For the full picture see the wider Georgia largest schools rankings, every school on the Decatur page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best largest school in Decatur?

Decatur High School in Decatur, Georgia ranks first among largest schools in Decatur with Enrollment 1,901 (Enrollment: 1,901).

How are largest schools in Decatur ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.