Carolyn P. Henly retired in 2018 after 33 years of teaching. 20 of those in the IB Programme teaching English HL, Theory of Knowledge and Philosophy. John Sprague currently teaches Theory of Knowledge, Philosophy and Religious Studies at Tanglin Trust School, Singapore. He was previously Director of IB and Head of Theory of Knowledge at Sevenoaks School in the UK, and Head of Theory of Knowledge at King's College School, Wimbledon.

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Carolyn P. Henly retired in 2018 after 33 years of teaching. 20 of those in the IB Programme teaching English HL, Theory of Knowledge and Philosophy. John Sprague currently teaches Theory of Knowledge, Philosophy and Religious Studies at Tanglin Trust School, Singapore. He was previously Director of IB and Head of Theory of Knowledge at Sevenoaks School in the UK, and Head of Theory of Knowledge at King's College School, Wimbledon.

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Carolyn P. Henly retired in 2018 after 33 years of teaching. 20 of those in the IB Programme teaching English HL, Theory of Knowledge and Philosophy. John Sprague currently teaches Theory of Knowledge, Philosophy and Religious Studies at Tanglin Trust School, Singapore. He was previously Director of IB and Head of Theory of Knowledge at Sevenoaks School in the UK, and Head of Theory of Knowledge at King's College School, Wimbledon.

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