Stacker compiled a list of the best private K-12 schools in the Austin 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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#16. Hill Country Christian School of San Marcos

- Location: San Marcos, TX
- Enrollment: 206 (12:1 student to teacher ratio)
- Niche grade: B

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#15. Summit Christian Academy - Cedar Park, TX

- Location: Cedar Park, TX
- Enrollment: 302 (9:1 student to teacher ratio)
- Niche grade: A-

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#14. Grace Academy of Georgetown

- Location: Georgetown, TX
- Enrollment: 359 (11:1 student to teacher ratio)
- Niche grade: A

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#13. Sterling Classical School

- Location: Leander, TX
- Enrollment: 283 (not available student to teacher ratio)
- Niche grade: A

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#12. St. Mary's Catholic School

- Location: Taylor, TX
- Enrollment: 274 (8:1 student to teacher ratio)
- Niche grade: A

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#11. Round Rock Christian Academy

- Location: Round Rock, TX
- Enrollment: 711 (9:1 student to teacher ratio)
- Niche grade: A

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#10. San Marcos Academy

- Location: San Marcos, TX
- Enrollment: 318 (8:1 student to teacher ratio)
- Niche grade: A+

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#9. Brentwood Christian School

- Location: Austin, TX
- Enrollment: 683 (13:1 student to teacher ratio)
- Niche grade: A+

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#8. Hill Country Christian School of Austin

- Location: Austin, TX
- Enrollment: 602 (12:1 student to teacher ratio)
- Niche grade: A+

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#7. Regents School of Austin

- Location: Austin, TX
- Enrollment: 1,079 (10:1 student to teacher ratio)
- Niche grade: A+

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#6. Austin Waldorf School

- Location: Austin, TX
- Enrollment: 415 (10:1 student to teacher ratio)
- Niche grade: A+

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#5. Hyde Park Schools

- Location: Austin, TX
- Enrollment: 808 (11:1 student to teacher ratio)
- Niche grade: A+

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#4. Headwaters School

- Location: Austin, TX
- Enrollment: 489 (6:1 student to teacher ratio)
- Niche grade: A+

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#3. St. Michael's Catholic Preparatory School

- Location: Austin, TX
- Enrollment: 918 (7:1 student to teacher ratio)
- Niche grade: A+

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#2. St. Andrew's Episcopal School

- Location: Austin, TX
- Enrollment: 987 (6:1 student to teacher ratio)
- Niche grade: A+

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#1. Austin Peace Academy

- Location: Austin, TX
- Enrollment: 338 (10:1 student to teacher ratio)
- Niche grade: A+