▁schools ▁( National ▁High ▁School ▁Stand ards ▁- ▁ 2 0 0 3 ). ▁Nam ▁ Đ ị n h ▁has ▁ 1 6 ▁schools ▁in ▁the ▁top ▁ 2 0 0 ▁( as ▁of ▁ 2 0 0 3 ), ▁in ▁addition ▁to ▁Vietnam ' s ▁top ▁ 1 0 0 ▁schools ▁of ▁ 2 0 0 9 , ▁Nam ▁ Đ ị n h ▁currently ▁has ▁five ▁schools . ▁ ▁References ▁ ▁External ▁links <0x0A> </s> ▁A ▁career ▁break ▁is ▁a ▁period ▁of ▁time ▁out ▁from ▁employ ment . ▁Trad itionally , ▁this ▁is ▁for ▁women ▁to ▁raise ▁children , ▁but ▁it ▁is ▁sometimes ▁used ▁for ▁people ▁taking ▁time ▁out ▁of ▁their ▁career ▁for ▁personal ▁development ▁and / or ▁professional ▁development . ▁ ▁History ▁A ▁career ▁break ▁is ▁usually ▁between ▁one ▁month ▁and ▁two ▁years ▁long . ▁Six ▁months ▁to ▁two ▁years ▁is ▁the ▁most ▁common ▁period ▁of ▁time ▁for ▁a ▁career ▁break . ▁It ▁is ▁also ▁possible ▁to ▁take ▁a ▁mini ▁career ▁break ▁of ▁less ▁than ▁one ▁month , ▁which ▁enables ▁people ▁to ▁try ▁out ▁career ▁break ▁activities ▁without ▁comm itting ▁to ▁longer ▁periods ▁of ▁time . ▁Sh orter ▁career ▁breaks ▁are ▁most ▁popular ▁with ▁the ▁people ▁over ▁ 4 5 ▁years ▁of ▁age . ▁ ▁It ▁can ▁take ▁the ▁form ▁of ▁a ▁s abb at ical , ▁which ▁can ▁be ▁paid ▁or ▁un pa id ; ▁un pa id ▁s abb at ical s ▁are ▁much ▁more ▁common . ▁S abb at ical s ▁were ▁originally ▁only ▁offered ▁to