5 , ▁Dean ▁Close ▁School ▁announced ▁the ▁ac quisition ▁of ▁a ▁prepar atory ▁school , ▁St ▁John ' s ▁on ▁the ▁Hill , ▁Che p st ow . ▁ ▁Academ ic ▁achiev ement ▁A - Level ▁results ▁in ▁ 2 0 0 7 ▁saw ▁the ▁school ▁achieve ▁a ▁ 1 0 0 % ▁pass ▁rate ▁with ▁ 8 1 % ▁of ▁ex ams ▁grad ed ▁A – B . ▁These ▁results ▁have ▁put ▁Dean ▁Close ▁in ▁the ▁top ▁ 1 0 0 ▁schools ▁in ▁England ▁as ▁ranked ▁by ▁U C AS ▁points ▁per ▁candidate . ▁A ▁majority ▁of ▁pup ils ▁attend ▁Russell ▁Group ▁univers ities , ▁with ▁almost ▁one ▁in ▁six ▁ach ieving ▁places ▁at ▁Ox bridge ▁in ▁recent ▁years . ▁ ▁In ▁ 2 0 1 0 , ▁Dean ▁Close ▁pup ils ▁achieved ▁the ▁best ▁GC SE ▁results ▁in ▁the ▁school ' s ▁history ▁with ▁ 6 2 % ▁att aining ▁A / A *, ▁and ▁with ▁an ▁overall ▁pass ▁rate ▁of ▁ 9 8 %. ▁ ▁As ▁of ▁ 2 0 1 4 , ▁Dean ▁Close ▁School ▁is ▁ranked ▁ 6 1 st ▁in ▁co - ed uc ational ▁senior ▁board ing ▁schools ▁by ▁A ▁Level s , ▁with ▁ 4 3 % ▁of ▁pup ils ▁ach ieving ▁A ▁level ▁A ▁& ▁A * ▁gr ades . ▁ 6 0 % ▁of ▁pup ils ▁at ▁Dean ▁Close ▁School ▁also ▁achieved ▁GC SE ▁level ▁A ▁& ▁A * ▁gr ades . ▁ ▁D rama ▁There ▁are ▁ten ▁drama ▁produ ctions ▁every ▁year