Jenny Wong is a character in We Can Be Heroes: Finding the Australian of the Year and Summer Heights High.  She is the mother of Ricky Wong, and shown in Summer Heights High to be a teacher at the school.  The subject she teaches is unknown, but it does come under the umbrella of performing arts (music, dance, and drama).  Mr G attempts to force her to take over some of his classes, and is seen performing emergency drills in her classroom.