As seniors in high school, Troy and Gabriella struggle with the idea of being separated from one another as college approaches. Along with the rest of the Wildcats, they stage a spring musical to address their experiences, hopes and fears about their future.
Unfortunately the movie High School Musical 3: Senior Year is not yet available on HBO Max.
| Directing | Kenny Ortega | Director |
| Production | Barry Rosenbush | Producer |
| Production | Bill Borden | Producer |
| Camera | Daniel Aranyó | Director of Photography |
| Editing | Seth Flaum | Editor |
| Production | Jason La Padura | Casting |
| Writing | Peter Barsocchini | Writer |
| Crew | Kenny Ortega | Choreographer |
| Crew | Charles Klapow | Choreographer |
| Crew | Bonnie Story | Choreographer |
| Writing | Matthew Gerrard | Lyricist |
| Sound | David Lawrence | Original Music Composer |
| Directing | Mark Hansson | First Assistant Director |
| Production | Todd Y. Murata | Production Executive |
| Production | Kenny Ortega | Executive Producer |
| Production | Don Schain | Co-Producer |
| Editing | Don Brochu | Editor |
| Production | Natalie Hart | Casting |
| Production | Jeff Johnson | Casting |
| Art | Mark Hofeling | Production Design |
| Art | Wing Lee | Art Direction |
| Art | Ken Kirchner | Set Decoration |
| Costume & Make-Up | Caroline B. Marx | Costume Design |
| Costume & Make-Up | Jodi Gleave | Assistant Makeup Artist |
| Costume & Make-Up | Charlene Johnson | Hairstylist |
| Costume & Make-Up | Lora Laing | Key Hair Stylist |
| Costume & Make-Up | Troy Lunt | Assistant Makeup Artist |
| Costume & Make-Up | Ryan McCormick | Hairstylist |
| Costume & Make-Up | Christianna Mower | First Assistant Hairstylist |
| Costume & Make-Up | Robin Michelle Patrick | Key Makeup Artist |
| Costume & Make-Up | Jamie Taylor Smith | Assistant Makeup Artist |
| Costume & Make-Up | Tara Starling | Key Makeup Artist |
| Costume & Make-Up | Katherine Ward | Hairstylist |
| Costume & Make-Up | Christel Edwards | Makeup Artist |
| Costume & Make-Up | Jeanette Steadman | Makeup Artist |
| Production | Shauna Miller Schain | Production Supervisor |
| Production | Don Schain | Unit Production Manager |
| Crew | Jayne Armstrong | Post Production Supervisor |
| Directing | Christopher Barnes | Second Assistant Director |
| Directing | Brent Geisler | Second Second Assistant Director |
| Directing | Craig L. Steiner | First Assistant Director |
| Directing | Heather Toone | Second Assistant Director |
| Writing | Robbie Nevil | Lyricist |
