Tom Coster has been teaching IB Diploma Psychology (both Standard and Higher Level) and supervising Extended Essays in Psychology for over 30 years. With a career spanning multiple international schools across Canada, Vietnam, Switzerland, Australia, and Morocco, Tom brings a wealth of global experience to his work.
A passionate educator and lifelong learner, Tom holds two master’s degrees in Psychology—one in Clinical Psychology and another in Cognitive Psychology. He is also an active member of the British Psychological Society and a self-described “research and statistical analysis geek.”
Tom’s extensive experience includes serving as an examiner and moderator for the IB Diploma Programme, further enriching his expertise in the field. He has written numerous articles on the application of Social Identity Theory and Social Learning Theory in high school settings, blending theoretical knowledge with practical, classroom-based insights with a vigilant eye on cultural differences.
Tom’s teaching philosophy is rooted in making Psychology accessible, engaging, and relevant for students. His dedication to fostering critical thinking and an appreciation for evidence-based research has inspired countless students worldwide.
In his free time, Tom enjoys writing fiction, swimming, hiking in the European Alps, and indulging in pastries served with fine coffee. His books reflect his deep commitment to education, his love for the subject, and his desire to support both students and teachers in their journey through the fascinating world of Psychology.
Tom Coster - Psychology 
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