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.
Robert Wilkinson
Teacher’s Certificate, BA (Hons)
Bob has over 40 years' teaching experience in Key Stages 1 to 4 in both the independent and state sector. He has significant experience tutoring students preparing for entrance exams and in more recent years at SDE, preparing Year 4 students for the subsequent Year 5 11+ Course and the 11+ exam.
Avril Burrows
Avril has over 40 years' primary teaching experience with additional exposure working with SEN students. She has many years experience teaching students who are preparing for the 11+ exams and has in the past operated her own successful Maths and English tutoring franchise. In addition to SDE, she continues to teach part-time in a local school.
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.
Phillipa Bloom
Phillipa has 40 years’ primary teaching experience including 15 years which have been almost exclusively devoted to preparing children for the 11+ tests, having joined SDE in 2009. Since 2014 Phillipa has successfully developed the SDE 11+ Tuition Centre (franchise) in SW Herts.
Romina Sharrocks
Romina has nearly 20 years’ experience in primary teaching and is a specialist Maths subject teacher. She has been preparing SDE 11+ candidates for the GL Assessment 11+ tests in Bucks since 2019 and is now devoted exclusively to teaching the Year 5 Course.