[1] It operates as an all-through English International school, catering to students aged 2–18, and maintains four campuses located in Barcelona, Castelldefels, and Sitges.

The school holds formal recognition and accreditation from the British government for its adherence to the English National Curriculum.

This recognition played a pivotal role in attracting local families seeking British education and English language proficiency.

In September 2019, the school expanded its sports facilities with a new 9,000 square meters rugby and football stadium adjacent to the BSB Castelldefels campus.

The school operates campuses located in Barcelona, Castelldefels, and Sitges, catering to children from the city and its environs.