[1] Catering to pupils from the pre-school to high school level, it offers the International Baccalaureate (IB) PYP, MYP and DP.

As of July 2019, the PYP, MYP and DP Coordinators at TIS are Henna Ahmed and Nayma Hasan.

The International School was established by Taimur Mirza in 1996, being the first IB-affiliated educational institution to open in Pakistan.

All MYP 4 and 5 students also have the mandatory Personal Project and Creativity, Activity, Service (CAS) requirement.

Besides for being accredited by the International Baccalaureate as an official IB school, it also is accredited by the Department of Education and Literacy of the provincial Government of Sindh, and is certified with Cambridge International Examinations and Edexcel, and part of the Association of IB World Schools in Pakistan (IBPAK)[7][1][8]