IPS is accredited by a range of national and international organisations:
- The Thai Ministry of Education
- The Office for National Education Standards and Quality Assessment (ONESQA)
- Our school is a member of the International Schools Association of Thailand (ISAT)
- We are a Cambridge Primary and Secondary School as well as a Cambridge Examinations Centre
- We are an Edexcel Centre
- We are accredited by the Accrediting Commission for Schools, Western Association of Schools and Colleges. The accreditation status covers the entire school programme from kindergarten through Year 13.