Essex St Cedd's School St Cedd's School is an independent day school for boys and girls aged 3 to 11. Day Boys Girls Pre-Prep Prep 200 to 400 pupils Contact Details 178a New London Road, Chelmsford, Essex, CM2 0AR www.stcedds.co.uk More pre-prep and prep schools in Essex Brentwood School St Aubyn's School View more Essex schools.