Factual error: In the scene where Taylor is trying to prove to Gabriella that Troy is a dumb jock who doesn't care about her, Troy is in the locker room with his friends. Troy's friends are recording Troy on a camera attached to a PC, and the image is seen on Taylor's PC. The message on Taylor's PC says an incorrectly spelled 'Recieving WiFi Signal' instead of 'Receiving'. (01:00:55)
Audio problem: During "Breaking Free" (near the end), the audio has both Gabriella and Troy singing the line "You know the world can see us," but Gabriella's mouth does not move until the word "can." (01:29:25)
Revealing mistake: When Troy says "I'll sing with her," Ms. Darbus turns around "in response" to his voice before he even says anything.
Continuity mistake: When Gabriella and Taylor walk through the cafeteria, Sharpay starts walking across the balcony to the stairs, cut to wideshot of the cafeteria and she is back at the center of the balcony with Ryan, motionless, but when it cuts to the next shot she and Ryan are already halfway down the stairs.
Continuity mistake: In the locker room scene where Troy walks in and his teammates confront him, Zeke describes the MVP in his picture, sits down, and puts the picture on the table twice.
Continuity mistake: During the speech which the basketball team gives to Troy, we have shots altering between Troy and Chad. When we see Chad, the two guys behind him are standing basically next to each other. When the scene cuts to Troy, the same two guys are now much farther apart (the right one of the two would be blocked by Troy if they stood as close together as in the previous shot).
Continuity mistake: During the "Status Quo" number, we never see Gabriella walking through the cafeteria in the wideshot, after she talks to Taylor, unless it is a close up shot of her.
Audio problem: In "What I've Been Looking For", when Sharpay sings the last verse the first time around, listen closely as Ryan takes away the microphone. Her voice remains the same volume, and does not get any quieter as Ryan pulls away the microphone.
Continuity mistake: When Gabriella gets her picture taken on Troy's cellphone, she looks directly at the lens. When Troy looks at the picture, it's an angled shot of Gabriella and she's looking elsewhere.
Continuity mistake: Near the end of "Start of Something New" when Troy is saying "new" he moves the mic away from his mouth, but you can still hear him saying "new" before he puts it back to his mouth.
Revealing mistake: In the final scene "We're All In This Together", when Ryan is getting ready to jump off of the bleachers and be caught by his classmates, you can see Troy motion for Gabriella to move forward into the correct position for the shot.
Continuity mistake: When Kelsi trips over as she walks away from the piano, her composing sheets fall and scatter all over the floor, and by the piano. In the next shot the sheets are now suddenly all close to her so that she can pick them all up in this shot.
Audio problem: When Gabriella is singing "When There Was Me and You", when she sings the line "Like I could Sing Along", notice her mouth doesn't move.
Suggested correction: At most, she doesn't really lip sync the word "sing" that well, but she does lip sync the line.
Continuity mistake: When Troy and Gabriella are singing "Start of Something New" Gabriella's left sleeve moves up and down between shots during the scene.
Audio problem: When Troy and Gabriella are singing "Breaking Free" for the last time, Gabriella moves her mic away from her mouth numerous times, yet her voice never gets quieter.
Audio problem: In "We're All in this Together", you can hear either Troy or Gabriella's voice singing background, not matching the others' lyrics, but their lips are moving to the same words as all the others.
Other mistake: During the musical auditions, the pairs audition doesn't start until halfway through the auditions. But the disturbing dancers were a pair audition and Ryan and Sharpay were the only pairs.
Revealing mistake: In the cafeteria scene, when Gabriella slips in the spilled milk, her tray is not only shot up, but tilted as well. However, after the camera cuts back to Gabriella, there is a cup of "sauce" yet it doesn't slide or tip off the tray.
Continuity mistake: When Gabriella is shown Troy on the laptop, dismissing the musical, she begins to cry. She still has wet tear streaks on her face as she looks out the window, but as "When There Was Me and You" begins, her face is dry.
Continuity mistake: When Troy and Gabriella exchange numbers, Troy uses Gabriella's phone to take a photo of himself, but he doesn't press enough, if any buttons to put his number in.
