[2] The school started as one campus in rented premises serving a small number of very young students.

[3] ITHS began construction of a purpose-built campus on two acres of land granted by the Bangladesh government,[4] located in Uttara Sector 4, in June 2002.

[citation needed] Facilities include an extensive playground, football field, basketball court, conference hall, library, and computer and science lab.

[12] The British Council has partnered with the school since May 2015, teaching English language reading and writing skills to children between 11 and 13 years old at the Uttara campus.

17% of the students are from countries outside Bangladesh, including Malaysia, Canada, Philippines, USA, UK, Saudi Arabia, Sudan, Scotland, Egypt, Pakistan, Yemen, Iraq, China, Italy, Spain, Japan, Germany, Australia, Taiwan, India, Sri Lanka and Turkey.