One of the benefits being a member of the school's JTC and Combined Cadet Force was that Derby School pupils were allowed to undertake Cert.'A' training in all military matters and in Derby this meant that final exams were held at The Barracks at Sinfin in Derby, the home of the Sherwood Foresters Regiment. Passing out with a Cert.'A' meant that when the boys were later called up to undertake their National Service they were one step ahead of the majority of young men.