Stacker compiled a list of the best private K-12 schools in the Atlanta metro area using data from the Niche. Niche uses five weighted factors for its rankings: top colleges score, college enrollment, culture & diversity grade, parent / student surveys, and student teacher ratio. You can read more about the methodology here.

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#25. North Cobb Christian School

- Location: Kennesaw, GA
- Enrollment: 1,121 (7:1 student to teacher ratio)
- Niche grade: A+

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#24. Whitefield Academy

- Location: Smyrna, GA
- Enrollment: 934 (10:1 student to teacher ratio)
- Niche grade: A+

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#23. The Forest School: An Acton Academy

- Location: Fayetteville, GA
- Enrollment: 155 (10:1 student to teacher ratio)
- Niche grade: A+

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#22. Midtown International School

- Location: Atlanta, GA
- Enrollment: 158 (4:1 student to teacher ratio)
- Niche grade: A+

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#21. Landmark Christian School

- Location: Fairburn, GA
- Enrollment: 820 (8:1 student to teacher ratio)
- Niche grade: A+

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#20. Holy Spirit Preparatory School

- Location: Atlanta, GA
- Enrollment: 349 (5:1 student to teacher ratio)
- Niche grade: A+

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#19. Mount Vernon School

- Location: Atlanta, GA
- Enrollment: 1,243 (7:1 student to teacher ratio)
- Niche grade: A+

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#18. Wesleyan School

- Location: Peachtree Corners, GA
- Enrollment: 1,198 (7:1 student to teacher ratio)
- Niche grade: A+

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#17. Killian Hill Christian School

- Location: Lilburn, GA
- Enrollment: 521 (16:1 student to teacher ratio)
- Niche grade: A+

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#16. Lakeview Academy

- Location: Gainesville, GA
- Enrollment: 504 (7:1 student to teacher ratio)
- Niche grade: A+

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#15. Mount Paran Christian School

- Location: Kennesaw, GA
- Enrollment: 1,314 (7:1 student to teacher ratio)
- Niche grade: A+

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#14. Mount Pisgah Christian School

- Location: Johns Creek, GA
- Enrollment: 956 (7:1 student to teacher ratio)
- Niche grade: A+

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#13. The Galloway School

- Location: Atlanta, GA
- Enrollment: 760 (8:1 student to teacher ratio)
- Niche grade: A+

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#12. Greater Atlanta Christian School

- Location: Norcross, GA
- Enrollment: 1,711 (8:1 student to teacher ratio)
- Niche grade: A+

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#11. Holy Innocents' Episcopal School

- Location: Atlanta, GA
- Enrollment: 1,400 (5:1 student to teacher ratio)
- Niche grade: A+

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#10. Pinecrest Academy

- Location: Cumming, GA
- Enrollment: 546 (7:1 student to teacher ratio)
- Niche grade: A+

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#9. Notre Dame Academy

- Location: Duluth, GA
- Enrollment: 321 (5:1 student to teacher ratio)
- Niche grade: A+

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#8. The Lovett School

- Location: Atlanta, GA
- Enrollment: 1,629 (8:1 student to teacher ratio)
- Niche grade: A+

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#7. The Walker School

- Location: Marietta, GA
- Enrollment: 977 (7:1 student to teacher ratio)
- Niche grade: A+

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#6. Woodward Academy - College Park

- Location: College Park, GA
- Enrollment: 2,726 (6:1 student to teacher ratio)
- Niche grade: A+

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#5. The Paideia School

- Location: Atlanta, GA
- Enrollment: 1,001 (7:1 student to teacher ratio)
- Niche grade: A+

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#4. Atlanta International School

- Location: Atlanta, GA
- Enrollment: 1,340 (7:1 student to teacher ratio)
- Niche grade: A+

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#3. Pace Academy

- Location: Atlanta, GA
- Enrollment: 1,120 (7:1 student to teacher ratio)
- Niche grade: A+

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#2. The Westminster Schools

- Location: Atlanta, GA
- Enrollment: 1,900 (6:1 student to teacher ratio)
- Niche grade: A+

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#1. Fulton Science Academy Private School

- Location: Alpharetta, GA
- Enrollment: 973 (9:1 student to teacher ratio)
- Niche grade: A+