Supply officer (Royal Navy) scheme (entering Britannia Royal Naval College (BRNC), Dartmouth, Devon, as a Cadet or Midshipman, under terms similar to those direct from civilian life) was open to those supply branch ratings under the age of about 25. Such ratings were called CW candidates, and they were specially reported on for selection to attend the Admiralty Interview Board before final selection for promotion and entry to BRNC. The second avenue of promotion from rating to commissioned officer was to the Special Duties (SD) List. Petty officers and chief petty officers could, with the approval of their commanding officer, become a CW candidate
Royal Naval College, Osborne Rosslyn E. Wemyss was appointed Captain of HMS "Racer" and Commandant of the Royal Naval College, Osborne, under the New Scheme, on 25 November 1902, and with effect from 12 March 1903 Commander William G. E. Ruck-Keene was appointed as Executive Officer of HMS "Racer". Before admission as naval cadets at about the age of thirteen, boys had to pass an entrance examination, in which they were tested in English, history and geography (with special reference to the British Empire), arithmetic, algebra, geometry (practical and theoretical); French or German, with written and oral examinations; and Latin, with set translations and