, ▁and ▁an ▁older ▁sister , ▁who ▁is ▁a ▁dent ist . ▁W oo ▁studied ▁at ▁the ▁James ▁R use ▁Agricult ural ▁High ▁School ▁in ▁New ▁South ▁Wales ▁and ▁completed ▁his ▁High er ▁School ▁Cert ificate ▁in ▁ 2 0 0 3 . ▁He ▁earned ▁his ▁Bach elor ▁of ▁Education ▁( H on ours ) ▁in ▁Second ary ▁Mathemat ics ▁and ▁Information ▁Technology ▁from ▁the ▁University ▁of ▁Sydney ▁in ▁ 2 0 0 8 . ▁His ▁dream ▁was ▁to ▁become ▁a ▁high - school ▁teacher ▁in ▁Australia . ▁ ▁Career ▁W oo ▁started ▁his ▁career ▁with ▁a ▁brief ▁st int ▁as ▁a ▁technology ▁teacher ▁at ▁the ▁Fort ▁Street ▁High ▁School ▁in ▁ 2 0 0 7 , ▁before ▁moving ▁to ▁James ▁R use ▁Agricult ural ▁High ▁School ▁in ▁ 2 0 0 8 ▁where ▁he ▁held ▁the ▁position ▁of ▁Te acher ▁Mathemat ics ▁and ▁Technology . ▁He ▁stayed ▁until ▁ 2 0 1 3 . ▁W oo ▁is ▁currently ▁a ▁mathematics ▁teacher ▁at ▁Cher ry bro ok ▁Technology ▁High ▁School , ▁Sydney . ▁His ▁substant ive ▁position ▁is ▁as ▁Head ▁Te acher ▁Mathemat ics ▁at ▁this ▁school . ▁As ▁of ▁ 2 0 1 8 , ▁he ▁has ▁been ▁teaching ▁mathematics ▁for ▁more ▁than ▁ 1 0 ▁years . ▁He ▁fil med ▁his ▁class ▁in ▁ 2 0 1 2 ▁when ▁recording ▁a ▁less on ▁for ▁a ▁sick ▁student . ▁His ▁YouTube ▁channel ▁has ▁over ▁ 8 6 3 , 0 0 0 ▁subscri bers ▁and ▁more ▁than ▁ 5 2 . 8