BISC-SL offers education for ages 3 to 18 (UK Nursery to Year 13/US Pre-K to Grade 12).

Located in the Andersonville neighborhood the school opened with 14 students ages 3–5.

In 2015, British International School of Chicago expanded to a second campus in the South Loop neighborhood.

In grades 9-10, students follow the International General Certificate of Secondary Studies (IGCSE) and in grades 11-12 students study the International Baccalaureate Diploma Programme.

The program offers activities undertaken in school, online or at destinations around the world.