Corrected entry: During "Getcha Head in the Game" Right before everyone is about to do the big basketball dance the guy in the background to the left of the screen mouths "I Gotta" while Troy's singing them.
Corrected entry: After the principal of the school has told the crowd and basketball team in the gymnasium that they will have to leave the room due to safety regulations (this is before Breaking Free), as the team pace out of the room, in the bottom right corner, you can very obviously see a camera man follow them out of the room before the shot changes to Ms. Darbus.JonTheRandom
Corrected entry: In the scene where Gabriella and Troy are in the cafeteria after they have the fight, Gabriella walks away from Troy to a lunch table with a tray in her hand and sits down. After a brief cut to Troy and the two traitors, there is a shot of Gabriella without a tray, followed by another shot a second later with the tray back again.
Corrected entry: When the Evans siblings are sitting in the library, copying the article about Gabriella winning a math contest, the picture of her is on the left side of the text, on the computer, but when it comes out of the copying machine it is on the right side of the text.
Corrected entry: Taylor always has a little posse following her. When she plays the video to Gabriella watch the boy with blonde hair behind her (I believe his name is Alan). At one point he has thick black glasses and then as it flicks back to him, they're gone.
Corrected entry: During "Breaking Free" Gabriella gets nervous and misses her opening cue. Then, the music replays again, but this time Troy is the one who is starting the song, when Gabriella should be.
Corrected entry: When Gabriella is singing in the hall, how come no-one heard her singing? In the corridor next to her there are lots of people and she was singing pretty loudly.
Corrected entry: When Gabriella sings her solo song, notice there is no students in the hall and she is all alone. Suddenly when she turns a corner there is alot of students.
Corrected entry: As people file out of Ms. Darbus's class the day after winter break, the kid with the yellow undershirt and the blue jacket comes out of the classroom twice: once when he says to Troy "She's crazy." and another time when the camera switches back to Gabriella as she's explaining her mom's transfer.
Corrected entry: In the scene where Troy is waiting for Gabriella for their rehearsal, he looks at his left arm as if staring at a watch but actually he's not wearing anything on his left arm.
Corrected entry: Chad's basketball number is 8 when in reality the number 8 cannot be used in basketball, only the digits 0-5.
Corrected entry: During the call back audition, Gabriella is afraid and Troy has to talk her into singing. Yet in the song, he starts, so he couldn't have known that she was not going to come in on her entrance, since his was first.
Corrected entry: After Sharpay is hit with the french fries, Ryan grabs it off her shirt, but the french fries are still perfectly in the basket.and not on her shirt.
Corrected entry: When Troy gives Kelsi the "play ball" he is wearing his basketball jersey, but as they start dancing, he is in his warm up gear.
Corrected entry: According to Sharpay, she and her brother have starred in the school's productions for the past four years. However, as Juniors they could have only been attending high school for three years.
Corrected entry: When Troy and Gabriella swap cellphones to give each other their number, they take a picture and put in a number. Both Troy and Gabriella put in less than 6 keystrokes, while the US standard for cellphone numbers is 7 digits.
Corrected entry: In the scene where Gabriella corrects her teacher's error on the chalkboard, the numbers over pi change between shots, without correction by the teacher.