The school in this film is called:
"Maudlin Street Secondary Modern School"
Carry On Teacher is a 1959 British comedy film, the third in the series of 31 Carry On films (1958–1992). It was released at the Plaza Cinema in London on 3 September 1959. It features Ted Ray in his only Carry On role, alongside series regulars; Kenneth Connor, Charles Hawtrey, Kenneth Williams and Hattie Jacques. Leslie Phillips and Joan Sims make their second appearances in the series here, having made their debuts in the previous entry, Carry On Nurse. A young Richard O'Sullivan and Larry Dann – making the first of his four Carry on appearances – turn up as pupils. The film was followed by Carry On Constable 1960.