Continuity mistake: The third years in this series were first years in series two.
Field Trip - S6-E6
Continuity mistake: When Roland plays his tape recorder on the coach, the woman on the tape says "lightest lemon sponge I've ever tasted - she used to bake, yes I remember, mind you she worked hard that woman..." But in the cafe Roland didn't start recording until she said "mind you she worked hard..."
Continuity mistake: The police say Ronnie won't have a criminal record. Mrs McClusky then says it will be off her record at 17.
Continuity mistake: In the first episode of series 26, Emma said her birthday wasn't until the summer holidays. But in series 30, she celebrates her 16th birthday by episode 2, making her one of the oldest in her year.
Continuity mistake: When Helen and Ziggy are leaving the fish and chip shop, you see a white viva van parked opposite the shop. But when Helen and Ziggy get outside the shop, the van has gone.
Continuity mistake: Mr. Baxter finds Roland walking in the streets during school time. There is a red mini estate parked behind them with no cars parked behind it. The angle changes when Bullet tells Roland to run back to school with him. There are now two cars parked behind the mini.
Continuity mistake: At the school fete, when Mrs McClusky tells Mr Baxter that he is needed for the wet spong stall, there is a crowd of kids in front of his stall. However, when the angle changes, there is a different crowd of kids by the stall.
Continuity mistake: In the opening scene, when the three girls are surrounded by the boys on bikes in the park, they are on a tree-lined path. The angle changes, and there are no trees beside the path. Additionally, the houses in the background are different from the previous angle.
Continuity mistake: When Banksie and Loop are crossing the road outside the cafe the traffic has come to a standstill, but as soon as they are inside the cafe the traffic is flowing freely.
Continuity mistake: As the second years are leaving Mr King's class Vince is first out, followed by Trev, Robbie, three more boys, then Robbie exits the room a second time. (00:21:30)
Episode #2.1 - S2-E1
Continuity mistake: During the football match Mr Baxter is standing in a different position around the pitch every time the angle changes.
Episode #1.2 - S1-E2
Continuity mistake: Early in this episode Mr Foster tells Tucker off after jumping on Alan and David while coming into the school, the people walking along the road outside the school disappear between shots.
Continuity mistake: When Mr Griffiths is driving Harriet back to grange hill in his van he pulls up outside some shops for a few seconds in between parking and leaving there are different vehicles parked behind the van.
Continuity mistake: Leah and Shannon are in the computer room - Mr Malachy comes in and talks to Leah, Leah's hair is loose. The angle changes when Malachy leaves the room and Leah's hair is now neatly tucked behind her ear.
Continuity mistake: When Brian, Locko and Jacko sneak aboard the coach the destination board states Edinburgh in the shot from outside the coach, but when the driver boards the coach to change the destination board it reads Newquay from the shot inside the coach.
Continuity mistake: The first years walk off to their next lesson after Mr Bronson has come out of the exam room to tell them off for being noisy, the pupils walking behind Gonch, Hollo, Ronnie and Calley change position when the angle changes.
Continuity mistake: As the six pupils who visit the closed down Brookdale school find an unlocked door to enter Fay, Jackie and Banksie are the last three of the group in that order, but when the angle changes Banksie is ahead of Jackie and Fay, who have swapped places.
Episode #7.5 - S7-E5
Continuity mistake: In this episode Miss Lexington's first name is Jenny, in previous series' it was Andrea.
Continuity mistake: When the first years are walking down the road there is a blue Ford Transit van parked behind a Land Rover. When the pupils are crossing the road the Transit has disappeared.
Episode #8.3 - S8-E3
Continuity mistake: First year Calley Donnington says she was born in 1974 but to be in this series' first year intake she would have to been born between September 1972 and August 1973.