There were two distinct Chapman Staffordshire china companies. One is David Chapman & Sons of the Atlas Works, Longton, Stoke-on-Trent, Staffordshire - founded 1889 and continued only until 1906. The other is Chapmans Longton Ltd of Albert Works, Longton which was established in 1916 and continues through to modern times with their 'Standard' pottery mark amongst others. See http://www.figurines-sculpture.com/staffordshire-china-david-chapman-sons-atlas-pottery-mark-and-grimwades-winton.html
Gold rimmed white china cup, saucer and plate with School crest in colour at centre of plate, at edge of saucer, and side of cup adjacent to the handle. Gold decoration on cup handle. The name Queens CEGGS in black on grey scroll beneath the crest.
Inscriptions & markings
Queen's CEGGS near crest on cup, saucer and plate.
Trademark on underside
Atlas China Stoke on Trent Grimwade England