Texas Schools
- Chisholm Trail High School
- Chisum Independent School District
- Christ For The Nations Institute
- Christ The King Cathedral School
- Christian Heritage School
- Christian Heritage School
- Christian Life Center Academy
- Christoval Independent School District
- Chávez High School
- Cigarroa High School
- Cigarroa Middle School
- Cinco Ranch High School
- Cisco College
- Cisco High School
- Cisco Independent School District
- Cistercian Preparatory School
- City View Independent School District
- City View Junior Senior High School
- Clarendon College
- Clarendon Consolidated Independent School District
- Clarendon High School
- Clark High School
- Clarksville High School
- Clarksville Independent School District
- Classical Center At Brandenburg Middle School
- Claude High School
- Claude Independent School District
- Clear Brook High School
- Clear Creek High School
- Clear Creek Independent School District
- Clear Falls High School
- Clear Horizons Early College High School
- Clear Lake High School
- Clear Path Alternative School
- Clear Springs High School
- Clear View Education Center
- Cleburne Disciplinary Alternative Education Campus
- Cleburne High School
- Cleburne Independent School District
- Clements High School
- Cleveland High School
- Cleveland Independent School District
- Clifton High School
- Clifton Independent School District
- Clinkscale Elementary
- Clint High School
- Clint Independent School District
- Clint Junior High School
- Clyde Consolidated Independent School District
- Clyde High School
- Coahoma High School
- Coahoma Independent School District
- Coastal Bend College
- Cockrell School Of Engineering
- Coldspring Oakhurst Consolidated Independent School District
- Coldspring Oakhurst High School
- Coleman College For Health Sciences
- Coleman Elementary School
- Coleman High School
- Coleman Independent School District
- College Station High School
- College Station Independent School District
- College Of Biblical Studies
- College Of The Mainland
- Colleyville Covenant Christian Academy
- Colleyville Heritage High School
- Collin College
- Collinsville High School
- Collinsville Independent School District
- Colmesneil Independent School District
- Colorado High School
- Colorado Independent School District
- Columbia High School
- Columbia Brazoria Independent School District
- Columbus High School
- Columbus Independent School District
- Comal Independent School District
- Comanche High School
- Comanche Independent School District
- Comfort Independent School District
- Commerce High School
- Commerce Independent School District
- Commodore Perry Estate Hotel
- Communications Arts High School
- Community High School
- Community Independent School District
- Como Pickton Consolidated Independent School District
- Comstock Independent School District
- Concordia Academy
- Concordia Lutheran High School
- Concordia University Texas
- Connally High School
- Connally Independent School District
- Conroe High School
- Conroe Isd Academy Of Science And Technology
- Conroe Independent School District
- Conroe Normal And Industrial College
- Construction Careers Academy
- Contemporary Learning Center
- Cooke Elementary School