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allk12 · Rankings · Most improved · Georgia · Cobb County

The public schools with the most improved test scores in Cobb County, Georgia

Across Cobb County, Georgia, 100 public schools are ranked here, ranked by the 3-year gain in composite math + reading proficiency. West Side Elementary School leads the list at +17.5pp, against a median of +1.5pp across the ranked schools.

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Schools ranked
100
Cobb County, Georgia
Top 3-yr change
+17.5pp
Median 3-yr change
+1.5pp
MOST IMPROVED · COBB COUNTY, GEORGIA
#SchoolCityDistrictStudents3 yrs agoLatestChange
1West Side Elementary SchoolMarietta, GAMarietta City55667.6%85.1%+17.5pp
2A.L. Burruss Elementary SchoolMarietta, GAMarietta City40939.7%54.7%+15.0pp
3Sanders Elementary SchoolAustell, GACobb County62620.7%33.6%+12.9pp
4Cooper Middle SchoolAustell, GACobb County1,00032.9%44.8%+11.8pp
5Smyrna Elementary SchoolSmyrna, GACobb County87033.9%44.6%+10.7pp
6Marietta Middle SchoolMarietta, GAMarietta City1,35237.0%46.6%+9.5pp
7McCleskey Middle SchoolMarietta, GACobb County54045.6%54.8%+9.2pp
8Dunleith Elementary SchoolMarietta, GAMarietta City55439.2%48.4%+9.1pp
9Pine Mountain Middle SchoolKennesaw, GACobb County50640.6%49.4%+8.8pp
10Fair Oaks Elementary SchoolMarietta, GACobb County70324.3%33.1%+8.8pp
11Marietta Sixth Grade AcademyMarietta, GAMarietta City67835.7%44.4%+8.7pp
12Tapp Middle SchoolPowder Springs, GACobb County80936.1%44.5%+8.4pp
13Griffin Middle SchoolSmyrna, GACobb County99139.9%47.8%+7.9pp
14Garrett Middle SchoolAustell, GACobb County89122.1%29.9%+7.7pp
15Floyd Middle SchoolMableton, GACobb County77626.3%33.6%+7.4pp
16Birney Elementary SchoolMarietta, GACobb County72526.0%32.9%+7.0pp
17Marietta Center for Advanced AcademicsMarietta, GAMarietta City26888.2%94.8%+6.6pp
18Lindley Middle SchoolMableton, GACobb County90520.4%26.8%+6.4pp
19Sawyer Road Elementary SchoolMarietta, GAMarietta City53335.5%41.7%+6.3pp
20Acworth Elementary SchoolAcworth, GACobb County49937.4%43.5%+6.1pp
21Due West Elementary SchoolMarietta, GACobb County62667.1%73.1%+6.0pp
22Clay-Harmony Leland Elementary SchoolMableton, GACobb County1,01333.0%38.8%+5.9pp
23Bryant Elementary SchoolMableton, GACobb County86521.0%26.9%+5.9pp
24Davis Elementary SchoolMarietta, GACobb County63564.0%69.4%+5.4pp
25Addison Elementary SchoolMarietta, GACobb County57157.7%62.9%+5.2pp
26LaBelle Elementary SchoolMarietta, GACobb County33921.4%26.5%+5.1pp
27Hickory Hills Elementary SchoolMarietta, GAMarietta City44041.9%46.6%+4.7pp
28Blackwell Elementary SchoolMarietta, GACobb County58038.3%42.9%+4.6pp
29Campbell Middle SchoolSmyrna, GACobb County1,36836.0%40.5%+4.5pp
30Lovinggood Middle SchoolPowder Springs, GACobb County1,20956.8%61.3%+4.5pp
31Pearson Middle SchoolMarietta, GACobb County80616.2%20.5%+4.4pp
32Argyle Elementary SchoolSmyrna, GACobb County33324.1%28.4%+4.3pp
33Bullard Elementary SchoolKennesaw, GACobb County79953.3%57.3%+4.0pp
34McClure Middle SchoolKennesaw, GACobb County1,03060.1%64.0%+3.9pp
35Lockheed Elementary SchoolMarietta, GAMarietta City73419.7%23.4%+3.8pp
36Brumby Elementary SchoolMarietta, GACobb County96317.1%20.8%+3.7pp
37Lost Mountain Middle SchoolKennesaw, GACobb County97964.7%68.4%+3.7pp
38Lewis Elementary SchoolKennesaw, GACobb County55050.5%54.1%+3.6pp
39Dickerson Middle SchoolMarietta, GACobb County1,22583.7%87.2%+3.5pp
40Betty Gray Middle SchoolMableton, GACobb County70226.1%29.3%+3.2pp
41Smitha Middle SchoolMarietta, GACobb County86626.9%29.9%+3.0pp
42Barber Middle SchoolAcworth, GACobb County79036.7%39.6%+2.9pp
43Hollydale Elementary SchoolMarietta, GACobb County52625.1%27.9%+2.8pp
44Riverside Elementary SchoolMableton, GACobb County47113.5%16.2%+2.7pp
45Austell Elementary SchoolAustell, GACobb County36736.2%38.7%+2.5pp
46Powder Springs Elementary SchoolPowder Springs, GACobb County80533.3%35.7%+2.4pp
47City View Elementary SchoolMableton, GACobb County87020.5%22.8%+2.3pp
48Norton Park Elementary SchoolSmyrna, GACobb County64323.6%26.0%+2.3pp
49East Cobb Middle SchoolMarietta, GACobb County1,35233.4%35.2%+1.8pp
50Awtrey Middle SchoolKennesaw, GACobb County59341.6%43.3%+1.7pp
Page 1 of 2 · top 100 of 100 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.