Ikarian Centre
- Offers Greek language courses in Ikaria and Athens for non-native speakers; includes profile, course information and schedules.
- http://www.greekingreece.gr/

Centre of Greek Language
- Co-ordinating, advisory and strategic organ of the Ministry of Education on matters of language education and policy. Located in Thessaloniki and Athens.
- http://www.greeklanguage.gr/

The Hellenic Pedagogical Institute
- The Pedagogical Institute is called upon to national demands for an educational reform that will meet the challenges of the 21st century, as well as those inherited by the historical role of Greece.
- http://www.pi-schools.gr/

Lambrakis Research Foundation
- Creative initiatives contributing to the upgrade of Education and to the promotion of the European Cultural Heritage.
- http://www.lrf.gr/

Philekpaideftiki Etaireia
- Founded in 1836 it is one of the oldest educational establishments in Greece. Located in Athens, Patras, Thessaloniki and Tirana.
- http://www.arsakeio.gr/

Eugenides Foundation
- The Eugenides Foundation is a non-profit public benefit educational organization.
- http://www.eugenfound.edu.gr/