C
- The Cambridge School of Dallas in Dallas, Texas
- Capstone Classical Academy in Katy, Texas
- Carrollton Christian Academy in Carrollton, Texas
- Central Catholic Marianist High School in San Antonio, Texas
- The Chinquapin School in Highlands, Texas (serves students from Houston, Texas)
- Christ Community School in The Woodlands, Texas
- Christ Academy in Wichita Falls, TX
- Christ the King School in Dallas, Texas
- Christian Heritage School in Tyler, Texas
- Christian Heritage Schools in San Antonio, Texas
- Cistercian Preparatory School in Irving, Texas
- City School Austin in Austin, Texas
- Clay Road Baptist School in Houston, Texas
- Cunae International School in The Woodlands, Texas
- The John Cooper School in The Woodlands, Texas
- Concordia Lutheran High School (Texas)
- The Canterbury Episcopal School in DeSoto, Texas
- Coram Deo Academy in Dallas, Texas
- Cornerstone Christian Academy in Borger, Texas
- Covenant Christian Academy in Colleyville, Texas
- Covenant Classical School in Fort Worth, Texas
- The Covenant School of Dallas in Dallas, Texas
Read more about this topic: List Of Private Schools In Texas