- Biodiversity Institute (INBio) (Information available in English)
- INCAE Business School (Information available in English)
- Instituto Tecnológico de Costa Rica
- List of universities voluntarily accredited before the National Council of Accreditation of Higher Education (SINAES)
- Ministry of Public Education
- National Council for Scientific and Technological Research (CONICIT)
- National Institute of Knowledge (INA)
- National Institute of Statistics and Census (INEC)
- Tropical Agricultural Research and Training Centre (CATIE) (Information available in English) Universidad EARTH Costa Rica (Information available in English)
- Universidad Estatal a Distancia
- Universidad Nacional
- Universidad de Costa Rica
- University of Peace (Sponsored by the United Nations) (Information available in English)