[1] Before stepping down in 2009 after five years as the first principal of the international Anglo-Chinese School in Singapore,[2] Barrett had a long career as an educationalist.
(Hons), Economics) and Fitzwilliam College, Cambridge (M.A., Theology).
He completed his ministerial training at Wesley House, Cambridge and was later awarded an honorary Ph.D. from the University of Florida for his Methodism.
Barrett served as a circuit minister from 1971 to 1973, then from 1973 to 1983 was Chaplain to Kingswood School, Bath.
In 1983, he became headmaster of Kent College, Pembury, before moving as headmaster to The Leys School in 1990, where he stayed for 14 years before retiring (and subsequently coming out of retirement to lead the Anglo-Chinese School.