Stacker compiled a list of the best private high schools in the Houston metro area using data from the Niche. Niche uses seven weighted factors for its rankings. A majority of the score is based on academics, but other factors include culture and diversity; sports; clubs and activities; resources; and surveys of parents, teachers, and students.

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#25. Darul Arqam Academy North

- Location: Houston, TX
- Enrollment: 282 (10:1 student to teacher ratio)
- Niche grade: A+

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#24. Houston Christian High School

- Location: Houston, TX
- Enrollment: 499 (11:1 student to teacher ratio)
- Niche grade: A+

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#23. Providence Classical School

- Location: Spring, TX
- Enrollment: 396 (6:1 student to teacher ratio)
- Niche grade: A+

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#22. The Woodlands Christian Academy

- Location: The Woodlands, TX
- Enrollment: 857 (10:1 student to teacher ratio)
- Niche grade: A+

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#21. Westbury Christian School

- Location: Houston, TX
- Enrollment: 340 (9:1 student to teacher ratio)
- Niche grade: A+

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#20. School of the Woods

- Location: Houston, TX
- Enrollment: 288 (7:1 student to teacher ratio)
- Niche grade: A+

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#19. Second Baptist School - Woodway

- Location: Houston, TX
- Enrollment: 1,224 (6:1 student to teacher ratio)
- Niche grade: A+

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#18. Duchesne Academy of the Sacred Heart

- Location: Houston, TX
- Enrollment: 769 (9:1 student to teacher ratio)
- Niche grade: A+

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#17. LIH - Lycée International de Houston

- Location: Houston, TX
- Enrollment: 380 (8:1 student to teacher ratio)
- Niche grade: A+

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#16. Fort Bend Christian Academy

- Location: Sugar Land, TX
- Enrollment: 844 (8:1 student to teacher ratio)
- Niche grade: A+

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#15. St. Pius X High School

- Location: Houston, TX
- Enrollment: 560 (9:1 student to teacher ratio)
- Niche grade: A+

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#14. Houston Quran Academy

- Location: Houston, TX
- Enrollment: 342 (8:1 student to teacher ratio)
- Niche grade: A+

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#13. Saint Thomas' Episcopal School

- Location: Houston, TX
- Enrollment: 635 (7:1 student to teacher ratio)
- Niche grade: A+

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#12. Incarnate Word Academy

- Location: Houston, TX
- Enrollment: 247 (4:1 student to teacher ratio)
- Niche grade: A+

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#11. St. Thomas High School

- Location: Houston, TX
- Enrollment: 749 (9:1 student to teacher ratio)
- Niche grade: A+

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#10. Episcopal High School

- Location: Bellaire, TX
- Enrollment: 811 (7:1 student to teacher ratio)
- Niche grade: A+

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#9. The Emery/Weiner School

- Location: Houston, TX
- Enrollment: 632 (5:1 student to teacher ratio)
- Niche grade: A+

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#8. St. Agnes Academy

- Location: Houston, TX
- Enrollment: 922 (9:1 student to teacher ratio)
- Niche grade: A+

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#7. Strake Jesuit College Preparatory

- Location: Houston, TX
- Enrollment: 1,439 (10:1 student to teacher ratio)
- Niche grade: A+

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#6. British International School of Houston

- Location: Katy, TX
- Enrollment: 1,165 (6:1 student to teacher ratio)
- Niche grade: A+

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#5. The Kinkaid School

- Location: Houston, TX
- Enrollment: 1,469 (10:1 student to teacher ratio)
- Niche grade: A+

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#4. The Awty International School

- Location: Houston, TX
- Enrollment: 1,796 (8:1 student to teacher ratio)
- Niche grade: A+

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#3. The John Cooper School

- Location: The Woodlands, TX
- Enrollment: 1,343 (6:1 student to teacher ratio)
- Niche grade: A+

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#2. The Village School

- Location: Houston, TX
- Enrollment: 1,756 (7:1 student to teacher ratio)
- Niche grade: A+

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#1. St. John's School

- Location: Houston, TX
- Enrollment: 1,424 (6:1 student to teacher ratio)
- Niche grade: A+