Police said Gary Dobbie, who was also chaplain at the independent school near Horsham, has been found guilty of four counts of sexual assaults against a boy more than 20 years ago.

The 67-year-old was convicted of 15 other historical sex offences against other youngsters last June.

Police said Dobbie, now of Rue De La Piale, in France, was found guilty of the most recent charges on May 3 following a nine-day trial at Hove Crown Court.

He was sentenced June 12 2019 to 12 years in prison and will be a registered sex offender for life.