- Camilo José Cela University, School of Architecture and Technology Escuela Superior de Arquitectura y Tecnología Spain
- Campusnet - High School of Design Campusnet Barcelona (Spain)
- Cardenal Herrera-CEU University, Health Sciences Faculty - Centre of Elche Facultad de Ciencias de la Salud-Centro de Elche Elche (Spain)
- Cardenal Herrera-CEU University, Humanities and Communication Sciences Faculty Facultad de Humanidades y Ciencias de la Comunicación Moncada (Spain)
- Cardenal Herrera-CEU University, Law, Business and Political Science Faculty Facultad de Derecho, Empresa y Ciencias Políticas Moncada (Spain)
- Cardenal Herrera-CEU University, Technical Teaching Advanced School Escuela Superior de Enseñanzas Técnicas Moncada (Spain)
- Carlos III University of Madrid Universidad Carlos III de Madrid Getafe (Spain)
- Carlos III University of Madrid, Centre for Postgraduate Studies Centro de Postgrado Spain
- Carlos III University of Madrid, Centre of Humanities, Communication and Documentation. Civil Campus Centro Universitario de la Guardia Civil Spain
- Carlos III University of Madrid, Faculty of Humanities, Communication and Documentation Facultad de Humanidades, Comunicación y Documentación Spain
- Carlos III University of Madrid, Faculty of Legal and Social Sciences Facultad de Ciencias Sociales y Jurídicas Spain
- Carlos III University of Madrid, Faculty of Legal and Social Sciences. Colmenarejo Campus Facultad de Ciencias Sociales y Jurídicas. Sección Colmenarejo Spain
- Carlos III University of Madrid, Higher Polytechnic School Escuela Politécnica Superior Spain
- Catholic University of Avila Universidad Católica Santa Teresa de Jesús de Ávila Ávila (Spain) Further location: Valladolid (Spain) Further location: Santa Cruz de Bezana (Spain)
- Catholic University of Avila, Faculty of Sciences and Arts Facultad de Ciencias y Artes Ávila (Spain)
- Catholic University of Avila, Faculty of Social and Legal Sciences Facultad de Ciencias Sociales y Jurídicas Ávila (Spain)
- Catholic University of Valencia Universidad Católica de Valencia València (Spain)
- Catholic University of Valencia, Economic and Business Science Faculty Facultad de Ciencias Económicas y Empesariales Valencia (Spain)
- Catholic University of Valencia, Law Faculty Facultad de Derecho Valencia (Spain)
- Catholic University of Valencia, Nursing Faculty "Nuestra Señora de los Desamparados" Facultad de Enfermería Nuestra Señora de los Desamparados Valencia (Spain)