Admissions

Marceline Kelder


Ms Kelder teaches English in the Cambridge Lower Secondary years and supports students as Careers Counsellor, drawing on Master’s degrees in both Linguistics and Education. Having grown up in the south of Portugal, she has a naturally international outlook and values working in culturally diverse school communities.

Before joining IST, she taught in the IGCSE and IBDP programmes at an international school in Switzerland, where she also served as the IBDP Coordinator. These experiences strengthened her dedication to international education and its mission to nurture students who are reflective and open-minded. She is committed to guiding young people to discover their strengths, develop intellectual curiosity, and make informed choices about their future pathways.