The Sofia International School

The Sofia International School (SIS) is one of Bulgaria's leading private international schools, offering an English-medium education from Early Years through secondary level. Located in Sofia, SIS follows an internationally recognised curriculum that prepares students for university entry in Bulgaria and abroad. The school serves both Bulgarian and international families seeking premium English-language education in the Bulgarian capital. SIS features modern facilities including science laboratories, a library, sports facilities, and dedicated arts spaces. The school's curriculum emphasises English language proficiency, critical thinking, and a global outlook from an early age. Small class sizes ensure individualised attention and strong teacher-student relationships. SIS has a growing reputation for academic excellence and strong university placement results, with graduates attending institutions in the UK, USA, Germany, and other European countries.