The Texas Tech University System is comprised of four institutions and operates on more than a dozen locations throughout the State of Texas. Listed below are the universities and their various campuses and academic sites.
Angelo State University 
Texas Tech University Health Sciences Center
Texas Tech University
- Collin College (Dallas)
- El Paso
- Fredericksburg
- Highland Lakes
- Hill College
- Junction
- Lubbock
- San Jose, Costa Rica
- Seville, Spain
- Waco