Old Coulsdon is a village near Coulsdon in the London Borough of Croydon, England, 14.4 miles south of Charing Cross. It is the southernmost settlement in Greater London. Oasis Academy Coulsdon was formerly Coulsdon High School. Before this it was Taunton Manor School. Coulsdon College was formerly Purley College and that was …Old Coulsdon is a village near Coulsdon in the London Borough of Croydon, England, 14.4 miles south of Charing Cross. It is the southernmost settlement in Greater London. Oasis Academy Coulsdon was formerly Coulsdon High School. Before this it was Taunton Manor School. Coulsdon College was formerly Purley College and that was formed from Purley High School for Boys and Purley High School for Girls.