Bulgaria, Sofia
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Department for Education: The school is the only British School in Bulgaria registered with the Department for Education (DfE) of the British Ministry of Education with the unique number URN 142484 as a British School Overseas.
BSO accreditation: The school is the only Bulgarian school inspected by PENTA, an accredited body for inspecting British Schools Overseas; the inspection report is supplied to the British Ministry of Education.
Bulgarian Ministry of Education: A British School of Sofia diploma is recognised by the Bulgarian Ministry of Education.
Cambridge International School: The school is an accredited Cambridge International School that offers Cambridge Primary, Cambridge Lower Secondary, and Cambridge Upper-Secondary, with students receiving a Cambridge Diploma for their Secondary education.
IB Diploma Programme: The school has been an accredited IB Diploma International School since 2016; in 2021, after an inspection by the IB DP authorities, it retained its status as an IB World School.
IB Career-related Programme: The school is an IB World School offering the IB Career-related Programme.
IB Primary Years Programme: The school became a fully licensed IB PYP school in 2025.
Council of the British International Schools: The school is accredited by COBIS (The Council of the British International Schools).
The British School of Sofia is a British international day school with three campuses (two in Sofia and one in Plovdiv) and IB World School status. It serves ages 2 to 18 and uses IEYC in Early Years, Cambridge Primary Programme, Cambridge IGCSE, IMYC, IB PYP, DP and CP, plus IBCP. English is the language of instruction with EAL support; Bulgarian is offered as a native language option, and IB language options include English, Bulgarian, French among others. The school opened in 2009; moved to newly built premises in 2019; in summer 2025 construction began on a new campus to expand facilities. Facilities include a Main Building since 2019 with a wide multifunctional sports field, a Primary School playground, well-lit classrooms, interactive whiteboards, audio systems; a new science lab, MAC Lab and Windows Lab; Robotics Room and Lego Room; Art Room; gym; large hall; library; iPads for every student. Active after-school clubs.