Continuity mistake: During series 6 Jeremy Irvine (Jonah's cousin) is a pupil at Rodney Bennett school and a year younger than Jonah, but when Jeremy transfers to Grange Hill this series he is in the same year as Jonah.
Episode #7.3 - S7-E3
Continuity mistake: When Zammo and Jeremy are first chased by Gluxo and friends they run past three parked cars - a blue Maestro, a gold Toyota and a green Datsun. The camera angle changes to the other side of the road and the Maestro has gone. (00:03:10)
Episode #7.5 - S7-E5
Continuity mistake: In this episode Miss Lexington's first name is Jenny, in previous series' it was Andrea.
Episode #7.9 - S7-E9
Continuity mistake: When the argument starts between Glenroy and John Eastlake, Mr Fowler stands between them. Next shot Sue Shallcross is standing between Glenroy and Eastlake and separates them. Mr. Mcguffy then stands next to Sue, next shot Mr Fowler is standing between the two boys, then the angle changes and Sue and Mr Mcguffy are standing between Eastlake and Glenroy again, with Fowler standing next to Eastlake.
Continuity mistake: The last record that Pogo plays is "True" by Spandau Ballet. When he first starts playing it the record label is red; after Stewpot asks Pogo to play the song again the record label is black.
Continuity mistake: Mr McGuffy is walking down the corridor - behind him is a girl dressed in pink, and walking towards him is a boy in a black jumper with a white stripe on it. Mr. McGuffy enters the classroom to speak to Pogo - when the angle changes to inside, the girl in pink doesn't walk past the open door but the boy does, even though he had already passed the door in the previous angle.
Continuity mistake: In the first scene of the disco with Glenroy as the DJ, some of the kids dancing can also be seen in the next shot of kids waiting in the queue to pay to get in.
