High School Musical
Jack is focused on winning the championship game, and becomes frustrated when his son Troy keeps missing practice because of Troys auditions for the winter musical.
High School Musical 2
High School Musical 3: Senior Year
Jack watches as the Wildcats win the game in the opening song (Now or Never), and later watches his son graduate from East High.
High School Musical on Stage!
Jack's character also appears in the stage adaption of the first film, having a very similar role to the movie.
- It's revealed in the first film that Jack was student at East High (he graduated in 1984) and had also played on the school basketball team.