TES integrates its German, British, and French sections in terms of their curricula, administration, finance, buildings and facilities.

TES is authorized by the International Baccalaureate Organization to run the Diploma and Middle Years program, and is classed as an IB World School.

TES is also a member of the Federation of British International Schools in Asia (FOBISIA) and affiliated to Agence pour l'Enseignement Français à l'Étranger (AEFE) and Bundesverwaltungsamt-Zentralstelle für das Auslandsschulwesen (BVA-ZfA).

The two-story Infant Building contains general classrooms for students aged 3 to 7 years old from the German, British and French Sections, as well as shared specialist facilities.

A multi-purpose room, an outdoor playground with play structures, as well as grassed and astroturfed areas, are also located in the Infant Wing.

The five-story Junior Building houses general classrooms for students aged 7 to 11 years old from the German, British and French Sections, and includes shared specialist teaching facilities.

The Phase III building has 30 large classrooms, 2 gymnasiums, a fitness room, a dance studio and an outdoor basketball court.

Students originate largely from Europe and North America, with British, French, German, American, and Canadian as the dominating nationalities.