▁to ▁$ 1 1 ▁million ▁and ▁was ▁still ▁clim bing . ▁In ▁May ▁the ▁Ministry ▁of ▁Education ▁revealed ▁it ▁had ▁spent ▁an ▁extra ▁$ 1 . 7 ▁million ▁pay ing ▁ 1 2 ▁consult ants ▁to ▁help ▁sort ▁out ▁problems ▁with ▁Nov op ay . ▁ ▁By ▁the ▁start ▁of ▁ 2 0 1 5 , ▁the ▁cost ▁of ▁fixing ▁had ▁ris en ▁to ▁$ 4 5 ▁million . ▁ ▁Dec ision ▁to ▁keep ▁Nov op ay ▁In ▁May ▁ 2 0 1 3 , ▁Joy ce ▁said ▁Nov op ay ▁was ▁here ▁to ▁stay ▁for ▁the ▁time - be ing , ▁as ▁the ▁number ▁of ▁technical ▁errors ▁continued ▁to ▁be ▁reduced . ▁The ▁most ▁recent ▁pay ▁run ▁affected ▁only ▁ 1 6 6 ▁schools , ▁with ▁ 1 2 7 ▁non - pay ments ▁and ▁ 8 0 ▁over pay ments . ▁The ▁error ▁rate ▁was ▁below ▁ 0 . 5 % ▁for ▁three ▁of ▁the ▁last ▁four ▁pay ▁periods , ▁which ▁is ▁considered ▁' normal ' ▁for ▁complex ▁pay roll ▁systems . ▁Te ach ers ▁over pa id ▁small ▁amounts ▁wouldn ' t ▁be ▁made ▁to ▁pay ▁it ▁back . ▁Although ▁small ▁over pay ments ▁would ▁be ▁written ▁off , ▁those ▁of ▁$ 1 0 0 ▁in ▁a ▁single ▁payment ▁or ▁$ 3 0 0 ▁over ▁the ▁course ▁of ▁a ▁full ▁year , ▁would ▁still ▁be ▁purs ued . ▁There ▁was ▁still ▁a ▁back log ▁of ▁ 2 5 , 0 0 0 ▁errors ▁to ▁be ▁de alt ▁with . ▁