<Li> Lucille Bolton is Troy Bolton's mother and Jack Bolton's wife . She is depicted as being somewhat annoyed with Troy and Jack's extreme dedication to basketball . Lucille is portrayed by Leslie Wing in the first three installments of the series . </Li> <Li> Charlie Danforth is the father of Chad Danforth and friend of Jack Bolton . He is portrayed by Corbin Bleu's real - life father, David Reivers in the third film . His unnamed wife is portrayed by Yolanda Wood in the third film . </Li> <Li> An unnamed chemistry teacher at East High . She is portrayed by Irene Santiago - Baron . </Li> <Li> Ms. Falstaff is a librarian at East High . In the first film, she constantly reminds Chad to keep quiet in the library . She is portrayed by Joyce Cohen . </Li>

Who plays the teacher in high school musical