by Guardian

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For Sean O'Sullivan doing his PGCE was a means to an end but serendipity and a role in an amazing special school has led to a deeply fulfilling career

Why I became a teacher: Sean O'Sullivan found a role he loved by chance. Photograph: Sean O'Sullivan
Becoming a teacher wasn't a life long ambition. I did a degree in psychology and had the option to do a PGCE with a focus on educational psychology. I anticipated doing four or five years in the classroom and then training to be an educational psychologist.