Het is hun laatste jaar op de middelbare school en Troy en Gabriella kunnen maar niet wennen aan de gedachte dat ze van elkaar zullen worden gescheiden. Samen met de andere Wildcats besluiten ze een musical op te zetten waarin ze hun gevoelens kunnen uiten met betrekking tot de onzekere toekomst.
Nee, helaas is High School Musical 3: Senior Year nog niet beschikbaar op Netflix in Nederland.
| 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 |
