Lowest Student–Teacher Ratio in Cobb County (2025)
Schools with the fewest students per FTE teacher, among schools with at least 100 students. Ranked by the Success Index (US) from official American data; 100 schools in Cobb County, Georgia. Rank positions shown on each profile are within United States and Georgia.
- 128Belmont Hills Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 8.1
- 237Argyle Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 8.3
- 357McCall Primary SchoolAcworth · Public ElementaryStudents per teacher: 8.8
- 433LaBelle Elementary SchoolMarietta · Public ElementaryStudents per teacher: 8.9
- 529Hollydale Elementary SchoolMarietta · Public ElementaryStudents per teacher: 8.9
- 629Fair Oaks Elementary SchoolMarietta · Public ElementaryStudents per teacher: 9.6
- 745Milford Elementary SchoolMarietta · Public ElementaryStudents per teacher: 9.7
- 832Green Acres Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 9.7
- 930Compton Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 9.9
- 1037Riverside Elementary SchoolMableton · Public ElementaryStudents per teacher: 10.2
- 1131Norton Park Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 10.2
- 1271Keheley Elementary SchoolMarietta · Public ElementaryStudents per teacher: 10.6
- 1335Russell Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 10.7
- 1448Acworth Elementary SchoolAcworth · Public ElementaryStudents per teacher: 10.8
- 1535Austell Elementary SchoolAustell · Public ElementaryStudents per teacher: 10.8
- 1630Brumby Elementary SchoolMarietta · Public ElementaryStudents per teacher: 10.8
- 1723Birney Elementary SchoolMarietta · Public ElementaryStudents per teacher: 10.8
- 1864Nicholson Elementary SchoolMarietta · Public ElementaryStudents per teacher: 10.9
- 1968Baker Elementary SchoolAcworth · Public ElementaryStudents per teacher: 11.0
- 2070Kennesaw Elementary SchoolKennesaw · Public ElementaryStudents per teacher: 11.2
- 2125Mableton Elementary SchoolMableton · Public ElementaryStudents per teacher: 11.3
- 2292Shallowford Falls Elementary SchoolMarietta · Public ElementaryStudents per teacher: 11.4
- 2361Big Shanty Elementary SchoolKennesaw · Public ElementaryStudents per teacher: 11.4
- 2419City View Elementary SchoolMableton · Public ElementaryStudents per teacher: 11.4
- 2526Sanders Elementary SchoolAustell · Public ElementaryStudents per teacher: 11.6
- 2678Addison Elementary SchoolMarietta · Public ElementaryStudents per teacher: 11.9
- 2763Lewis Elementary SchoolKennesaw · Public ElementaryStudents per teacher: 12.0
- 2860Pine Mountain Middle SchoolKennesaw · Public MiddleStudents per teacher: 12.0
- 2980Frey Elementary SchoolAcworth · Public ElementaryStudents per teacher: 12.1
- 3039Dowell Elementary SchoolMarietta · Public ElementaryStudents per teacher: 12.1
- 3174Still Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 12.2
- 3269Chalker Elementary SchoolKennesaw · Public ElementaryStudents per teacher: 12.3
- 3368Eastvalley Elementary SchoolMarietta · Public ElementaryStudents per teacher: 12.3
- 3455Blackwell Elementary SchoolMarietta · Public ElementaryStudents per teacher: 12.3
- 3546Smyrna Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 12.3
- 3633Powder Springs Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 12.4
- 3782Vaughan Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 12.5
- 3846Hayes Elementary SchoolKennesaw · Public ElementaryStudents per teacher: 12.5
- 3926Powers Ferry Elementary SchoolMarietta · Public ElementaryStudents per teacher: 12.5
- 4067McCleskey Middle SchoolMarietta · Public MiddleStudents per teacher: 12.6
- 4151Varner Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 12.6
- 4277Bullard Elementary SchoolKennesaw · Public ElementaryStudents per teacher: 12.7
- 4362Pitner Elementary SchoolAcworth · Public ElementaryStudents per teacher: 12.7
- 4444Sedalia Park Elementary SchoolMarietta · Public ElementaryStudents per teacher: 12.7
- 4563Awtrey Middle SchoolKennesaw · Public MiddleStudents per teacher: 12.9
- 4686Due West Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.0
- 4731Hendricks Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 13.1
- 4820Bryant Elementary SchoolMableton · Public ElementaryStudents per teacher: 13.1
- 4978Pickett's Mill Elementary SchoolAcworth · Public ElementaryStudents per teacher: 13.2
- 5090Mountain View Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.3
- 5130Clarkdale Elementary SchoolAustell · Public ElementaryStudents per teacher: 13.3
- 5287Ford Elementary SchoolAcworth · Public ElementaryStudents per teacher: 13.4
- 5385Rocky Mount Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.4
- 5480Kincaid Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.4
- 5569Cheatham Hill Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.4
- 5626Pearson Middle SchoolMarietta · Public MiddleStudents per teacher: 13.4
- 5721Lindley Middle SchoolMableton · Public MiddleStudents per teacher: 13.5
- 5892Timber Ridge Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.6
- 5992Mount Bethel Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.6
- 6091Tritt Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.6
- 6172King Springs Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 13.6
- 6229Smitha Middle SchoolMarietta · Public MiddleStudents per teacher: 13.7
- 6363Bells Ferry Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.8
- 6491Murdock Elementary SchoolMarietta · Public ElementaryStudents per teacher: 13.9
- 6527Clay-Harmony Leland Elementary SchoolMableton · Public ElementaryStudents per teacher: 13.9
- 6684Kemp Elementary SchoolPowder Springs · Public ElementaryStudents per teacher: 14.0
- 6786Garrison Mill Elementary SchoolMarietta · Public ElementaryStudents per teacher: 14.1
- 6822Floyd Middle SchoolMableton · Public MiddleStudents per teacher: 14.1
- 6966Teasley Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 14.5
- 7057Barber Middle SchoolAcworth · Public MiddleStudents per teacher: 14.6
- 7189Sope Creek Elementary SchoolMarietta · Public ElementaryStudents per teacher: 14.7
- 7281Davis Elementary SchoolMarietta · Public ElementaryStudents per teacher: 14.8
- 7341Tapp Middle SchoolPowder Springs · Public MiddleStudents per teacher: 15.0
- 7488East Side Elementary SchoolMarietta · Public ElementaryStudents per teacher: 15.1
- 7557Daniell Middle SchoolMarietta · Public MiddleStudents per teacher: 15.2
- 7655Nickajack Elementary SchoolSmyrna · Public ElementaryStudents per teacher: 15.2
- 7777McClure Middle SchoolKennesaw · Public MiddleStudents per teacher: 15.4
- 7884Simpson Middle SchoolMarietta · Public MiddleStudents per teacher: 15.5
- 7964Kennesaw Mountain High SchoolKennesaw · Public HighStudents per teacher: 15.6
- 8023Betty Gray Middle SchoolMableton · Public MiddleStudents per teacher: 15.6
- 8118Garrett Middle SchoolAustell · Public MiddleStudents per teacher: 15.6
- 8289Hightower Trail Middle SchoolMarietta · Public MiddleStudents per teacher: 15.7
- 8317Osborne High SchoolMarietta · Public HighStudents per teacher: 15.8
- 8441East Cobb Middle SchoolMarietta · Public MiddleStudents per teacher: 15.9
- 8536Cooper Middle SchoolAustell · Public MiddleStudents per teacher: 15.9
- 8635South Cobb High SchoolAustell · Public HighStudents per teacher: 15.9
- 8781Durham Middle SchoolAcworth · Public MiddleStudents per teacher: 16.1
- 8871Allatoona High SchoolAcworth · Public HighStudents per teacher: 16.1
- 8962Palmer Middle SchoolKennesaw · Public MiddleStudents per teacher: 16.1
- 9041Griffin Middle SchoolSmyrna · Public MiddleStudents per teacher: 16.2
- 9183Lost Mountain Middle SchoolKennesaw · Public MiddleStudents per teacher: 16.3
- 9289Dodgen Middle SchoolMarietta · Public MiddleStudents per teacher: 16.4
- 9355Wheeler High SchoolMarietta · Public HighStudents per teacher: 16.4
- 9483Mabry Middle SchoolMarietta · Public MiddleStudents per teacher: 16.5
- 9551Sprayberry High SchoolMarietta · Public HighStudents per teacher: 16.8
- 9634Campbell Middle SchoolSmyrna · Public MiddleStudents per teacher: 16.9
- 9775Lovinggood Middle SchoolPowder Springs · Public MiddleStudents per teacher: 17.0
- 9852North Cobb High SchoolKennesaw · Public HighStudents per teacher: 17.0
- 9924Pebblebrook High SchoolMableton · Public HighStudents per teacher: 17.2
- 10057Kell High SchoolMarietta · Public HighStudents per teacher: 17.3
| # | School | Sector | Students per teacher | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | Belmont Hills Elementary School Smyrna · Elementary · Grades PK–5 | Public | 8.1 | 28.0 Lower 50% | 32% Math proficiency | 267 |
| 2 | Argyle Elementary School Smyrna · Elementary · Grades PK–5 | Public | 8.3 | 37.0 Lower 50% | 42% Math proficiency | 333 |
| 3 | McCall Primary School Acworth · Elementary · Grades PK–1 | Public | 8.8 | 57.4 Top 50% | 71.7% Free/reduced-price lunch | 265 |
| 4 | LaBelle Elementary School Marietta · Elementary · Grades PK–5 | Public | 8.9 | 33.2 Lower 50% | 43% Math proficiency | 339 |
| 5 | Hollydale Elementary School Marietta · Elementary · Grades PK–5 | Public | 8.9 | 29.2 Lower 50% | 36% Math proficiency | 526 |
| 6 | Fair Oaks Elementary School Marietta · Elementary · Grades PK–5 | Public | 9.6 | 28.8 Lower 50% | 40% Math proficiency | 703 |
| 7 | Milford Elementary School Marietta · Elementary · Grades PK–5 | Public | 9.7 | 44.5 Lower 50% | 52% Math proficiency | 389 |
| 8 | Green Acres Elementary School Smyrna · Elementary · Grades PK–5 | Public | 9.7 | 31.5 Lower 50% | 41% Math proficiency | 584 |
| 9 | Compton Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 9.9 | 29.8 Lower 50% | 34% Math proficiency | 593 |
| 10 | Riverside Elementary School Mableton · Elementary · Grades PK–5 | Public | 10.2 | 36.6 Lower 50% | 100% Free/reduced-price lunch | 471 |
| 11 | Norton Park Elementary School Smyrna · Elementary · Grades PK–5 | Public | 10.2 | 30.7 Lower 50% | 41% Math proficiency | 643 |
| 12 | Keheley Elementary School Marietta · Elementary · Grades PK–5 | Public | 10.6 | 71.3 Top 25% | 55% Math proficiency | 393 |
| 13 | Russell Elementary School Smyrna · Elementary · Grades PK–5 | Public | 10.7 | 34.8 Lower 50% | 38% Math proficiency | 568 |
| 14 | Acworth Elementary School Acworth · Elementary · Grades 2–5 | Public | 10.8 | 47.5 Lower 50% | 40% Math proficiency | 499 |
| 15 | Austell Elementary School Austell · Elementary · Grades PK–5 | Public | 10.8 | 35.1 Lower 50% | 40% Math proficiency | 367 |
| 16 | Brumby Elementary School Marietta · Elementary · Grades PK–5 | Public | 10.8 | 29.9 Lower 50% | 25% Math proficiency | 963 |
| 17 | Birney Elementary School Marietta · Elementary · Grades PK–5 | Public | 10.8 | 22.6 Lower 50% | 25% Math proficiency | 725 |
| 18 | Nicholson Elementary School Marietta · Elementary · Grades PK–5 | Public | 10.9 | 64.2 Top 50% | 52% Math proficiency | 413 |
| 19 | Baker Elementary School Acworth · Elementary · Grades PK–5 | Public | 11.0 | 67.5 Top 50% | 59% Math proficiency | 738 |
| 20 | Kennesaw Elementary School Kennesaw · Elementary · Grades PK–2 | Public | 11.2 | 69.9 Top 25% | 51.3% Free/reduced-price lunch | 560 |
| 21 | Mableton Elementary School Mableton · Elementary · Grades PK–5 | Public | 11.3 | 24.8 Lower 50% | 30% Math proficiency | 945 |
| 22 | Shallowford Falls Elementary School Marietta · Elementary · Grades PK–5 | Public | 11.4 | 92.3 Top 5% | 81% Math proficiency | 591 |
| 23 | Big Shanty Elementary School Kennesaw · Elementary · Grades 3–5 | Public | 11.4 | 60.7 Top 50% | 55% Math proficiency | 511 |
| 24 | City View Elementary School Mableton · Elementary · Grades PK–5 | Public | 11.4 | 19.1 Lower 50% | 21% Math proficiency | 870 |
| 25 | Sanders Elementary School Austell · Elementary · Grades PK–5 | Public | 11.6 | 25.7 Lower 50% | 30% Math proficiency | 626 |
| 26 | Addison Elementary School Marietta · Elementary · Grades PK–5 | Public | 11.9 | 77.6 Top 25% | 67% Math proficiency | 571 |
| 27 | Lewis Elementary School Kennesaw · Elementary · Grades PK–5 | Public | 12.0 | 63.1 Top 50% | 58% Math proficiency | 550 |
| 28 | Pine Mountain Middle School Kennesaw · Middle · Grades 6–8 | Public | 12.0 | 60.0 Top 50% | 52% Math proficiency | 506 |
| 29 | Frey Elementary School Acworth · Elementary · Grades PK–5 | Public | 12.1 | 80.2 Top 10% | 70% Math proficiency | 691 |
| 30 | Dowell Elementary School Marietta · Elementary · Grades PK–5 | Public | 12.1 | 38.7 Lower 50% | 38% Math proficiency | 898 |
| 31 | Still Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 12.2 | 73.9 Top 25% | 60% Math proficiency | 755 |
| 32 | Chalker Elementary School Kennesaw · Elementary · Grades PK–5 | Public | 12.3 | 69.0 Top 25% | 58% Math proficiency | 679 |
| 33 | Eastvalley Elementary School Marietta · Elementary · Grades PK–5 | Public | 12.3 | 67.5 Top 50% | 59% Math proficiency | 679 |
| 34 | Blackwell Elementary School Marietta · Elementary · Grades PK–5 | Public | 12.3 | 54.7 Top 50% | 47% Math proficiency | 580 |
| 35 | Smyrna Elementary School Smyrna · Elementary · Grades PK–5 | Public | 12.3 | 45.8 Lower 50% | 40% Math proficiency | 870 |
| 36 | Powder Springs Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 12.4 | 32.5 Lower 50% | 38% Math proficiency | 805 |
| 37 | Vaughan Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 12.5 | 82.4 Top 10% | 70% Math proficiency | 600 |
| 38 | Hayes Elementary School Kennesaw · Elementary · Grades PK–5 | Public | 12.5 | 45.5 Lower 50% | 41% Math proficiency | 802 |
| 39 | Powers Ferry Elementary School Marietta · Elementary · Grades PK–5 | Public | 12.5 | 26.3 Lower 50% | 31% Math proficiency | 475 |
| 40 | McCleskey Middle School Marietta · Middle · Grades 6–8 | Public | 12.6 | 67.0 Top 50% | 53% Math proficiency | 540 |
| 41 | Varner Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 12.6 | 51.1 Top 50% | 47% Math proficiency | 705 |
| 42 | Bullard Elementary School Kennesaw · Elementary · Grades PK–5 | Public | 12.7 | 77.0 Top 25% | 63% Math proficiency | 799 |
| 43 | Pitner Elementary School Acworth · Elementary · Grades PK–5 | Public | 12.7 | 61.6 Top 50% | 54% Math proficiency | 802 |
| 44 | Sedalia Park Elementary School Marietta · Elementary · Grades PK–5 | Public | 12.7 | 43.9 Lower 50% | 42% Math proficiency | 634 |
| 45 | Awtrey Middle School Kennesaw · Middle · Grades 6–8 | Public | 12.9 | 62.5 Top 50% | 49% Math proficiency | 593 |
| 46 | Due West Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.0 | 85.6 Top 5% | 71% Math proficiency | 626 |
| 47 | Hendricks Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 13.1 | 31.3 Lower 50% | 42% Math proficiency | 538 |
| 48 | Bryant Elementary School Mableton · Elementary · Grades PK–5 | Public | 13.1 | 20.4 Lower 50% | 27% Math proficiency | 865 |
| 49 | Pickett's Mill Elementary School Acworth · Elementary · Grades PK–5 | Public | 13.2 | 77.7 Top 25% | 69% Math proficiency | 753 |
| 50 | Mountain View Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.3 | 89.8 Top 5% | 84% Math proficiency | 837 |
| 51 | Clarkdale Elementary School Austell · Elementary · Grades PK–5 | Public | 13.3 | 29.9 Lower 50% | 41% Math proficiency | 785 |
| 52 | Ford Elementary School Acworth · Elementary · Grades PK–5 | Public | 13.4 | 87.1 Top 5% | 79% Math proficiency | 750 |
| 53 | Rocky Mount Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.4 | 84.7 Top 10% | 68% Math proficiency | 576 |
| 54 | Kincaid Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.4 | 80.2 Top 10% | 73% Math proficiency | 603 |
| 55 | Cheatham Hill Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.4 | 68.9 Top 25% | 66% Math proficiency | 1,021 |
| 56 | Pearson Middle School Marietta · Middle · Grades 6–8 | Public | 13.4 | 26.1 Lower 50% | 100% Free/reduced-price lunch | 806 |
| 57 | Lindley Middle School Mableton · Middle · Grades 6–8 | Public | 13.5 | 20.6 Lower 50% | 26% Math proficiency | 905 |
| 58 | Timber Ridge Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.6 | 92.3 Top 5% | 87% Math proficiency | 529 |
| 59 | Mount Bethel Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.6 | 91.9 Top 5% | 84% Math proficiency | 898 |
| 60 | Tritt Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.6 | 91.1 Top 5% | 81% Math proficiency | 804 |
| 61 | King Springs Elementary School Smyrna · Elementary · Grades PK–5 | Public | 13.6 | 72.2 Top 25% | 59% Math proficiency | 1,101 |
| 62 | Smitha Middle School Marietta · Middle · Grades 6–8 | Public | 13.7 | 29.2 Lower 50% | 33% Math proficiency | 866 |
| 63 | Bells Ferry Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.8 | 62.5 Top 50% | 64% Math proficiency | 704 |
| 64 | Murdock Elementary School Marietta · Elementary · Grades PK–5 | Public | 13.9 | 91.1 Top 5% | 88% Math proficiency | 847 |
| 65 | Clay-Harmony Leland Elementary School Mableton · Elementary · Grades PK–5 | Public | 13.9 | 27.0 Lower 50% | 35% Math proficiency | 1,013 |
| 66 | Kemp Elementary School Powder Springs · Elementary · Grades PK–5 | Public | 14.0 | 83.6 Top 10% | 77% Math proficiency | 894 |
| 67 | Garrison Mill Elementary School Marietta · Elementary · Grades PK–5 | Public | 14.1 | 86.0 Top 5% | 76% Math proficiency | 649 |
| 68 | Floyd Middle School Mableton · Middle · Grades 6–8 | Public | 14.1 | 21.8 Lower 50% | 27% Math proficiency | 776 |
| 69 | Teasley Elementary School Smyrna · Elementary · Grades PK–5 | Public | 14.5 | 66.0 Top 50% | 56% Math proficiency | 974 |
| 70 | Barber Middle School Acworth · Middle · Grades 6–8 | Public | 14.6 | 57.0 Top 50% | 52% Math proficiency | 790 |
| 71 | Sope Creek Elementary School Marietta · Elementary · Grades PK–5 | Public | 14.7 | 89.0 Top 5% | 84% Math proficiency | 1,104 |
| 72 | Davis Elementary School Marietta · Elementary · Grades PK–5 | Public | 14.8 | 80.8 Top 10% | 68% Math proficiency | 635 |
| 73 | Tapp Middle School Powder Springs · Middle · Grades 6–8 | Public | 15.0 | 41.2 Lower 50% | 44% Math proficiency | 809 |
| 74 | East Side Elementary School Marietta · Elementary · Grades PK–5 | Public | 15.1 | 87.6 Top 5% | 81% Math proficiency | 1,072 |
| 75 | Daniell Middle School Marietta · Middle · Grades 6–8 | Public | 15.2 | 57.1 Top 50% | 51% Math proficiency | 884 |
| 76 | Nickajack Elementary School Smyrna · Elementary · Grades PK–5 | Public | 15.2 | 54.9 Top 50% | 50% Math proficiency | 1,260 |
| 77 | McClure Middle School Kennesaw · Middle · Grades 6–8 | Public | 15.4 | 77.2 Top 25% | 70% Math proficiency | 1,030 |
| 78 | Simpson Middle School Marietta · Middle · Grades 6–8 | Public | 15.5 | 83.7 Top 10% | 75% Math proficiency | 884 |
| 79 | Kennesaw Mountain High School Kennesaw · High · Grades 9–12 | Public | 15.6 | 64.1 Top 50% | 58% Math proficiency | 1,695 |
| 80 | Betty Gray Middle School Mableton · Middle · Grades 6–8 | Public | 15.6 | 23.2 Lower 50% | 32% Math proficiency | 702 |
| 81 | Garrett Middle School Austell · Middle · Grades 6–8 | Public | 15.6 | 18.2 Lower 50% | 26% Math proficiency | 891 |
| 82 | Hightower Trail Middle School Marietta · Middle · Grades 6–8 | Public | 15.7 | 88.9 Top 5% | 89% Math proficiency | 944 |
| 83 | Osborne High School Marietta · High · Grades 9–12 | Public | 15.8 | 16.6 Lower 50% | 17% Math proficiency | 2,790 |
| 84 | East Cobb Middle School Marietta · Middle · Grades 6–8 | Public | 15.9 | 41.0 Lower 50% | 44% Math proficiency | 1,352 |
| 85 | Cooper Middle School Austell · Middle · Grades 6–8 | Public | 15.9 | 36.3 Lower 50% | 42% Math proficiency | 1,000 |
| 86 | South Cobb High School Austell · High · Grades 9–12 | Public | 15.9 | 35.3 Lower 50% | 38% Math proficiency | 2,081 |
| 87 | Durham Middle School Acworth · Middle · Grades 6–8 | Public | 16.1 | 81.2 Top 10% | 72% Math proficiency | 984 |
| 88 | Allatoona High School Acworth · High · Grades 9–12 | Public | 16.1 | 71.0 Top 25% | 66% Math proficiency | 1,560 |
| 89 | Palmer Middle School Kennesaw · Middle · Grades 6–8 | Public | 16.1 | 61.6 Top 50% | 62% Math proficiency | 803 |
| 90 | Griffin Middle School Smyrna · Middle · Grades 6–8 | Public | 16.2 | 41.2 Lower 50% | 38% Math proficiency | 991 |
| 91 | Lost Mountain Middle School Kennesaw · Middle · Grades 6–8 | Public | 16.3 | 83.0 Top 10% | 76% Math proficiency | 979 |
| 92 | Dodgen Middle School Marietta · Middle · Grades 6–8 | Public | 16.4 | 88.6 Top 5% | 89% Math proficiency | 1,178 |
| 93 | Wheeler High School Marietta · High · Grades 9–12 | Public | 16.4 | 54.5 Top 50% | 53% Math proficiency | 2,401 |
| 94 | Mabry Middle School Marietta · Middle · Grades 6–8 | Public | 16.5 | 83.3 Top 10% | 77% Math proficiency | 938 |
| 95 | Sprayberry High School Marietta · High · Grades 9–12 | Public | 16.8 | 51.3 Top 50% | 44% Math proficiency | 1,769 |
| 96 | Campbell Middle School Smyrna · Middle · Grades 6–8 | Public | 16.9 | 33.7 Lower 50% | 31% Math proficiency | 1,368 |
| 97 | Lovinggood Middle School Powder Springs · Middle · Grades 6–8 | Public | 17.0 | 74.8 Top 25% | 67% Math proficiency | 1,209 |
| 98 | North Cobb High School Kennesaw · High · Grades 9–12 | Public | 17.0 | 51.7 Top 50% | 49% Math proficiency | 2,463 |
| 99 | Pebblebrook High School Mableton · High · Grades 9–12 | Public | 17.2 | 24.1 Lower 50% | 30% Math proficiency | 2,574 |
| 100 | Kell High School Marietta · High · Grades 9–12 | Public | 17.3 | 56.9 Top 50% | 45% Math proficiency | 1,587 |
Belmont Hills Elementary School in Smyrna leads the 2025 list of lowest student–teacher ratio in Cobb County with Students per teacher 8.1. Of the 100 schools shown, 100 are public.
For the full picture see the wider Georgia lowest student–teacher ratio rankings, every school on the Cobb County page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best ratio school in Cobb County?
Belmont Hills Elementary School in Smyrna, Georgia ranks first among lowest student–teacher ratio in Cobb County with Students per teacher 8.1 (Enrollment: 267).
How are lowest student–teacher ratio in Cobb County ranked?
Schools with the fewest students per FTE teacher, among schools with at least 100 students. 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.