Istanbul International School is a member of the International Schools Association, which holds a consultative status with UNESCO.
Istanbul International School is accredited by the Turkish Ministry of Education.
Cambridge has accredited Istanbul International School as an institution to deliver its full school programmes. The School is also an accredited Exam Centre.
A European Union initiative allowing university students to study and train abroad with partner institutions. Istanbul International School is an approved training partner for teacher trainees.
A training programme carried out by a consortium of three universities- University College Zealand, Denmark, University of SE Norway, and
Stenden University of Applied Sciences, the Netherlands. Istanbul International School is an approved training partner of the consortium.