NEWS.com.au | Ex-principal at exclusive Catholic school pleads guilty to 18 child sex charges NEWS.com.au A FORMER principal at Sydney's exclusive St Mary's Cathedral College has pleaded guilty to 18 child sex charges committed during his years teaching at a private school. David Standen pleaded guilty to seven charges of indecent assault against seven ... Ex-St Mary's principal David Standen pleads guilty to 18 child sex charges Christian Brother William Standen, a former school principal, pleads guilty to indecent assault of boys Christian Brother admits abusing NSW boys |