Colin Sowter
Colin has 38 years' teaching experience. Earlier in his career he was responsible for devising CAT tests, the BSTS (British Spelling Test Series) as well as developing the real 11+ tests for the organisation now known as GL Assessment. In more recent years at SDE he has focused on delivering the Year 5 11+ Course. Colin is also a published 11+ author.
Anna Simms
MSt Hist. (Dist.), PGCE, QTS and BSc Psych.
Anna has over 15 years of experience in the primary education setting. As well as achieving a PGCE in Primary Education she has also completed a Masters in History . She has undertaken the roles of Head of Maths and Head of History and also has experience with SEN students.
Fiona Wyeth
Fiona has over 30 years’ experience in primary teaching as well as 23 years’ experience preparing children for the 11+ exams. Fiona has been part of SDE since 2015, successfully operating the SDE 11+ Tuition Centre (franchise) in Earley, Reading.
Vina Sondh
Vina Sondh has 22 years of experience teaching having spent time teaching Years 1 to 6. In more recent years she has focusing exclusively on teaching Key Stage 2. As well as achieving her PGCE, Vina holds a BA in Psychosocial Studies. In school she has held the roles of Assistant Headteacher and Teaching and Learning Curriculum Design Coordinator. She teaches the SDE Year 4 11+ Foundation Course.
Monica Cattermole
Monica has over 20 years' teaching experience and has taught in both America and England. She is a specialist Maths subject teacher. During her teaching career she has held positions including Head of Year, Head of Maths, Literacy Coordinator and Head of Science. She is now dedicated to teaching SDE's Year 5 Course.
Caroline O'Brien
Caroline has over 18 years of teaching experience. She has a BA in History and English, as well as a Masters in ISM. She is an experienced teacher of English as a Second Language. For SDE, she teaches the 11+ Foundation Course on weeknights at SDE Amersham and the Year 5 Course on Sundays at SDE Bushey.