British School of Sofia is the only school in Bulgaria that follows the British National Curriculum. It is accredited by Cambridge International Examinations as a Cambridge Primary and Secondary 1 School and by the Council of British International Schools (COBIS). The school curriculum also includes International Primary Curriculum (IPC), Jolly Phonics, Habits of Mind and Thinking Based Learning Programmes. Students start studying a Modern Foreign Language at age of 8, one between – Spanish, French or German. Innovation and technology progress are of the core values in the school – students study subjects such as Lego, Robotics, Information and Communication Technology and Digital Drawing, combining work with Windows and Apple technology.

Academic stages of Primary and Secondary education:
Grade 1 (Primary School) – 6 – 7 years old
Grade 2 (Primary School) – 7 – 8 years old
Grade 3 (Primary School) – 8 – 9 years old
Grade 4 (Primary School) – 9 – 10 years old
Grade 5 (Primary School) – 10 – 11 years old
Grade 6 (Primary School) – 11 – 12 years old
Grade 7 (Secondary 1) – 12 – 13 years old
Grade 8 (Secondary 2) – 13 – 14 years old

There is also a Kindergarten and College for 14 - 18 year olds.