Cobb County schools ranked by test score
Latest Georgia Milestones year (2024-25). 72 schools in Cobb County, Georgia with reported Mathematics scores. Georgia state average: 44.6%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Marietta Center for Advanced Academics Marietta · Marietta City | Elementary | 97.4% | +52.8pp |
| 2 | West Side Elementary School Marietta · Marietta City | Elementary | 87.0% | +42.4pp |
| 3 | Mount Bethel Elementary School Marietta · Cobb County | Elementary | 84.2% | +39.7pp |
| 4 | Sope Creek Elementary School Marietta · Cobb County | Elementary | 84.0% | +39.4pp |
| 5 | Tritt Elementary School Marietta · Cobb County | Elementary | 83.0% | +38.4pp |
| 6 | Timber Ridge Elementary School Marietta · Cobb County | Elementary | 82.8% | +38.2pp |
| 7 | Murdock Elementary School Marietta · Cobb County | Elementary | 81.9% | +37.3pp |
| 8 | East Side Elementary School Marietta · Cobb County | Elementary | 81.0% | +36.4pp |
| 9 | Due West Elementary School Marietta · Cobb County | Elementary | 81.0% | +36.4pp |
| 10 | Mountain View Elementary School Marietta · Cobb County | Elementary | 78.5% | +33.9pp |
| 11 | Davis Elementary School Marietta · Cobb County | Elementary | 74.8% | +30.2pp |
| 12 | Garrison Mill Elementary School Marietta · Cobb County | Elementary | 69.8% | +25.2pp |
| 13 | Kemp Elementary School Powder Springs · Cobb County | Elementary | 69.1% | +24.5pp |
| 14 | Shallowford Falls Elementary School Marietta · Cobb County | Elementary | 69.0% | +24.4pp |
| 15 | Addison Elementary School Marietta · Cobb County | Elementary | 68.3% | +23.7pp |
| 16 | Pickett's Mill Elementary School Acworth · Cobb County | Elementary | 66.7% | +22.1pp |
| 17 | Vaughan Elementary School Powder Springs · Cobb County | Elementary | 66.3% | +21.7pp |
| 18 | Kincaid Elementary School Marietta · Cobb County | Elementary | 66.0% | +21.4pp |
| 19 | King Springs Elementary School Smyrna · Cobb County | Elementary | 64.5% | +19.9pp |
| 20 | Ford Elementary School Acworth · Cobb County | Elementary | 62.9% | +18.4pp |
| 21 | Rocky Mount Elementary School Marietta · Cobb County | Elementary | 62.6% | +18.1pp |
| 22 | Frey Elementary School Acworth · Cobb County | Elementary | 62.4% | +17.8pp |
| 23 | Lewis Elementary School Kennesaw · Cobb County | Elementary | 57.9% | +13.3pp |
| 24 | Bullard Elementary School Kennesaw · Cobb County | Elementary | 57.5% | +13.0pp |
| 25 | Eastvalley Elementary School Marietta · Cobb County | Elementary | 57.4% | +12.8pp |
| 26 | Still Elementary School Powder Springs · Cobb County | Elementary | 56.7% | +12.1pp |
| 27 | Dunleith Elementary School Marietta · Marietta City | Elementary | 54.9% | +10.3pp |
| 28 | Cheatham Hill Elementary School Marietta · Cobb County | Elementary | 54.3% | +9.7pp |
| 29 | A.L. Burruss Elementary School Marietta · Marietta City | Elementary | 54.0% | +9.4pp |
| 30 | Big Shanty Elementary School Kennesaw · Cobb County | Elementary | 51.6% | +7.1pp |
| 31 | Keheley Elementary School Marietta · Cobb County | Elementary | 50.5% | +5.9pp |
| 32 | Teasley Elementary School Smyrna · Cobb County | Elementary | 50.4% | +5.8pp |
| 33 | Hickory Hills Elementary School Marietta · Marietta City | Elementary | 48.7% | +4.1pp |
| 34 | Nicholson Elementary School Marietta · Cobb County | Elementary | 47.3% | +2.7pp |
| 35 | Nickajack Elementary School Smyrna · Cobb County | Elementary | 46.3% | +1.8pp |
| 36 | Sawyer Road Elementary School Marietta · Marietta City | Elementary | 46.0% | +1.4pp |
| 37 | Baker Elementary School Acworth · Cobb County | Elementary | 46.0% | +1.4pp |
| 38 | Hayes Elementary School Kennesaw · Cobb County | Elementary | 45.1% | +0.5pp |
| 39 | Blackwell Elementary School Marietta · Cobb County | Elementary | 45.0% | +0.5pp |
| 40 | Smyrna Elementary School Smyrna · Cobb County | Elementary | 45.0% | +0.4pp |
| 41 | Acworth Elementary School Acworth · Cobb County | Elementary | 44.6% | +0.0pp |
| 42 | Varner Elementary School Powder Springs · Cobb County | Elementary | 43.6% | -1.0pp |
| 43 | Pitner Elementary School Acworth · Cobb County | Elementary | 43.5% | -1.1pp |
| 44 | Clay-Harmony Leland Elementary School Mableton · Cobb County | Elementary | 42.9% | -1.7pp |
| 45 | Chalker Elementary School Kennesaw · Cobb County | Elementary | 42.8% | -1.7pp |
| 46 | Clarkdale Elementary School Austell · Cobb County | Elementary | 41.9% | -2.7pp |
| 47 | Fair Oaks Elementary School Marietta · Cobb County | Elementary | 41.3% | -3.2pp |
| 48 | Austell Elementary School Austell · Cobb County | Elementary | 40.7% | -3.9pp |
| 49 | Powder Springs Elementary School Powder Springs · Cobb County | Elementary | 38.5% | -6.1pp |
| 50 | Sedalia Park Elementary School Marietta · Cobb County | Elementary | 38.1% | -6.4pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the Georgia Milestones % Proficient or Distinguished threshold on the latest available Georgia Milestones Mathematics test (school year 2024-25). Only public schools in Cobb County, Georgia with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Georgia statewide enrollment-weighted average. To compare against neighboring counties, use the full Georgia ranking.