Founded in 1990 AVO-Bell is the only school in Bulgaria to be part of the prestigious international network of the British educational institution Bell International. Bell Sofia is a well-established dynamic and friendly school with 24-years experience in English language teaching.
AVO-Bell is an authorised Cambridge English Teaching qualifications centre and runs CELTA (Cambridge Certificate in English Language Teaching to Adults) and DELTA (Diploma in English Language Teaching) courses since 2002.
AVO-Bell internationally recognized TEFL certificate courses – an opportunity to develop your teaching skills and to experience the atmosphere of one of the oldest European capital cities. Our professional and very supportive team of CELTA tutors will help you achieve your full potential as a prospective teacher and also enrich your multicultural experience.