The film begins by pulling Wildcats West High Knights, with the Wildcats during the break bitterness the last quarter. Teamwork Troy rally team captain ("now or never"), and, thanks to the new transfer Jimmie "The Rocket" Zara, the Wildcats win the championship game, which is the last for the elderly in the team in the East High. Later, on the feast of Troy after party at his house, Troy and Gabriella seen thinking about their future and want their last few months at East High would not end ("Right Here, Right Now").
Sharpay meets Tiara Gold, a British student who was hired for his personal assistant. When drama teacher Ms. darbus realized that there are so few registrations for the spring musical, Sharpay suggests she could do a one woman show. This alarms Kelsi, who is writing the show, so I immediately notify anyone in your room so that instead. This results in Ms. darbus to announce that it is a game for his final days at East High, will create so-called Senior Year.
Also it shows that Sharpay, Ryan, Kelsi, and Troy are all eligible for a scholarship Juilliard School, but only one of them must be selected. Troy confused, why not apply to Juilliard. To see friends laughing, he believes that gave its name to Juilliard. Sharpay becomes desperate to win the scholarship, and knowing that Kelsi will give the best songs to Troy and Gabriella in the musical, Kelsi Ryan tries to convince them to give up a number, waiting for her (and Ryan's) future ("I Want It All") .
The next day, ask Troy Gabriella dance, while the roof (previously seen in the first film as The Garden Club, a place where Troy is looking a bit "quieter). Dan got rolling (" Can I? "). After Troy and Chad and Jimmie stealing clothes Donny, that leads through the great persecution and Ms. darbus forced to offer themselves as replacements. Chad Taylor asks to go to the prom with him, a pick up line cheese. At first he refuses, but then yesterday when Chad shows that it can in some effort and asks again in front of everyone at the school.
The group practicing for the musical, a scene from their prom night ("A night to remember"). The next day, Ryan, Kelsi composing music room and starts singing ("The just wanna be with you "), which leads to Ryan Kelsi asked to dance. While Troy and Chad remembers his past (" The Boys Are Back "), Sharpay and Tiara discover that Gabriella has a chance to go to college soon and Stanford Sharpay convinces Troy that it is the only thing that Gabriella from her dream. Troy tells Gabriella about this and for sharing goodbye, singing Gabriella ("Walk Away") and leave for college the next day.
Troy's father, Jack, talk to him about his hopes for his future graduates of the University of Albuquerque. This assumption makes Troy angry and confused, and runs away, beatings around East High enigma until finally crying out loud in the theater ("Scream"). Ms. darbus secretly watching and reveals that his application for Juilliard.
Troy later gets a call from Gabriella saying that while she loves him, she will not return to Albuquerque for prom or graduation. But the day of prom, Troy visits Gabriella at Stanford and convinces her to return to kiss during lunch (Can I have this dance? (Reprise) "). Back at East High, Sharpay is preparing for the final musical at East High and other basketball player Troy Jimmie receives a text from Troy to tell him to cover the stage for him because it will be too late. Juilliard representatives are there, and see if the show seems to go well.
Kelsi and Ryan starts the show, followed by some other number; Jimmie then performs with Sharpay and shame, even if the audience applauding the performance. Troy and Gabriella appear during the second half of the show and sing their duet together. Tiara then betrays Sharpay and tells how it's going to take next year in the drama department. Sharpay finally learns how it feels to be manipulated and humiliated, not down. While Tiara performs, Sharpay immediately crashes her performance and her ("Senior Year Spring Musical") eclipse.
At the end of the musical, reveals Ms. darbus that both Kelsi and Ryan Scholarship Juilliard and talks about the future of everything, showing that Troy Berkeley have chosen has won close to Gabriella, where you can play basketball and run at the theater ("We are all in this together boat ("Mix level").