| Brookwood Christian Language School ✓ | Acworth | 1-12 | 74 | 5.3 | Christian (nondenominational) |
| Cornerstone Preparatory Academy ✓ | Acworth | K-12 | 422 | 21.9 | Christian (nondenominational) |
| Seeds of Excellence Christian Academy ✓ | Austell | K-6 | 85 | 5.4 | Christian (nondenominational) |
| The Sae School ✓ | Mableton | PreK-8 | 176 | 7.3 | Nonsectarian |
| Dominion Christian High School ✓ | Marietta | 6-12 | 258 | 11.7 | Christian (nondenominational) |
| Eastside Christian School ✓ | Marietta | K-9 | 281 | 7.3 | Christian (nondenominational) |
| Faith Lutheran School ✓ | Marietta | PreK-8 | 63 | 6.3 | Lutheran Church (Missouri Synod) |
| In His Image Christian Academy ✓ | Marietta | PreK-11 | 14 | 4.7 | Christian (nondenominational) |
| Riverstone Montessori Academy ✓ | Marietta | Ungraded | 72 | 12 | Nonsectarian |
| The Stonehaven School ✓ | Marietta | K-12 | 300 | 10.7 | Christian (nondenominational) |
| The Walker School ✓ | Marietta | PreK-12 | 902 | 7.7 | Nonsectarian |
| Praise Academy ✓ | Powder Springs | PreK-12 | 267 | 8.3 | Christian (nondenominational) |
| St. Benedict's Episcopal School ✓ | Smyrna | PreK-8 | 436 | 3.3 | Episcopal |
| Montessori at Brookstone School | Acworth | PreK-K | 14 | 2.3 | Nonsectarian |
| Omega Private Academy Acworth | Acworth | 2-12 | 24 | 3.9 | Nonsectarian |
| The Link School | Acworth | Ungraded | 21 | 3.6 | Nonsectarian |
| Benjamin Preparatory School | Atlanta | PreK-1 | 5 | 1.5 | Christian (nondenominational) |
| Connection Pointe Christian Academy | Austell | PreK-8 | 57 | 9.5 | Church of God |
| Destiny Christian Academy | Austell | K-5 | 44 | 11 | Christian (nondenominational) |
| Faith Christian Center | Austell | K-12 | 12 | 8.6 | Christian (nondenominational) |
| The Goddard School - Austell | Austell | PreK-K | 8 | 8 | Nonsectarian |
| Triumph in Life, Inc. | Austell | 5-12 | 5 | 3.6 | Nonsectarian |
| North Cobb Christian School | Kennesaw | PreK-12 | 1,157 | 8.3 | Christian (nondenominational) |
| Princeton Preparatory Schools | Kennesaw | PreK-1 | 26 | 5.4 | Christian (nondenominational) |
| St. John the Baptist Hybrid School | Kennesaw | PreK-12 | 98 | 8.2 | Roman Catholic |
| The Goddard School of Kennesaw | Kennesaw | PreK-1 | 24 | 3.2 | Nonsectarian |
| Primrose School of Providence Pavilion | Mableton | PreK-K | 17 | 8.5 | Nonsectarian |
| Carman Adventist School | Marietta | PreK-8 | 119 | 14.9 | Seventh-Day Adventist |
| Casa Dei Bambini Montessori School | Marietta | PreK-6 | 45 | 4.3 | Nonsectarian |
| East Cobb Christian School | Marietta | K-8 | 116 | 7.1 | Presbyterian |
| Gracepoint School | Marietta | 1-8 | 134 | 3.4 | Christian (nondenominational) |
| Legacy Christian School | Marietta | K-11 | 1,120 | 11.1 | Christian (nondenominational) |
| Mde School of East Cobb | Marietta | 1-12 | 214 | 6.3 | Nonsectarian |
| Montessori School of Woodstock | Marietta | Ungraded | 70 | 17.5 | Nonsectarian |
| Mt. Bethel Christian Academy | Marietta | PreK-12 | 659 | 6.6 | Christian (nondenominational) |
| Primrose School of Sprayberry | Marietta | PreK-K | 16 | 0.6 | Nonsectarian |
| St. Joseph Catholic School | Marietta | PreK-8 | 366 | 11.7 | Roman Catholic |
| The Cumberland School - Upper School | Marietta | 6-12 | 75 | 9.6 | Christian (nondenominational) |
| The Garden School | Marietta | PreK-6 | 80 | 5.5 | Nonsectarian |
| West Cobb Preparatory Academy | Marietta | K-1 | 20 | 10 | Nonsectarian |
| Midway Covenant Christian School | Powder Springs | PreK-8 | 247 | 9.2 | Christian (nondenominational) |
| Covenant Christian School | Smyrna | PreK-8 | 65 | 5 | Christian (nondenominational) |
| First Baptist Church Weekday Education | Smyrna | PreK-K | 27 | 6.8 | Baptist |
| Legacy Academy for Children Smyrna | Smyrna | PreK-Transitional K | 11 | 5.5 | Nonsectarian |
| New Horizons Prep Academy | Smyrna | K-12 | 1,050 | 55.3 | Other religious |
| Primrose School of Smyrna West | Smyrna | PreK-K | 20 | 6.7 | Nonsectarian |
| St. Benedicts Episcopal School | Smyrna | PreK-8 | 440 | 5.2 | Episcopal |