▁for ▁approximately ▁ 1 , 2 0 0 ▁students ▁from ▁Year ▁ 7 ▁and ▁Year ▁ 1 2 . ▁The ▁school ▁is ▁operated ▁by ▁the ▁New ▁South ▁Wales ▁Department ▁of ▁Education ; ▁the ▁principal ▁is ▁Christ ine ▁Del ▁Gal lo . ▁ ▁Over view ▁Mack ell ar ▁Girls ▁Camp us ▁is ▁a ▁part ▁of ▁the ▁Northern ▁Be aches ▁Second ary ▁College , ▁a ▁five - camp us ▁college ▁across ▁Sydney ' s ▁Northern ▁Be aches , ▁formed ▁in ▁ 2 0 0 3 . ▁It ▁is ▁generally ▁considered ▁to ▁be ▁the ▁brother ▁school ▁to ▁Bal gow lah ▁Boys ▁Camp us , ▁another ▁school ▁within ▁the ▁College . ▁ ▁Mack ell ar ▁Girls ▁Camp us ▁was ▁formerly ▁known ▁as ▁Man ly ▁V ale ▁High ▁School , ▁and ▁then ▁became ▁Mack ell ar ▁Girls ▁High ▁School ▁until ▁ 2 0 0 3 ▁when ▁it ▁gained ▁its ▁current ▁name ▁after ▁the ▁famous ▁Australian ▁poet , ▁Dor othe a ▁Mack ell ar . ▁Under ▁the ▁name ▁Man ly ▁V ale ▁High ▁School , ▁the ▁school ▁was ▁believed ▁to ▁have ▁been ▁rein vent ed ▁as ▁a ▁girls ▁home ▁econom ics ▁school ▁in ▁ 1 9 6 7 ▁upon ▁the ▁thought ▁of ▁creating ▁strong ▁and ▁dil igent ▁girls ▁to ▁enter ▁the ▁work - force . ▁The ▁exact ▁history ▁of ▁Mack ell ar ▁as ▁a ▁school ▁is ▁not ▁well - known , ▁but ▁it ▁is ▁believed ▁to ▁have ▁been ▁a ▁school ▁prior ▁to ▁ 1 9 6 7 , ▁rather ▁as ▁a ▁co - ed uc ational ▁school . ▁