Digital Spy reported that Neil Pearson will play the new school chief in series 10 next year.
The Drop T he Dead Donkey actor had already been announced as new staff member Vaughn Fitzgerald in the next series of the BBC One drama.
The news was revealed online after a fan visited the set in Greenock, Scotland.
Pictures posted on Inverclyde Now show a sign saying: "Head Teacher: Vaughn Fitzgerald."
It was announced last month that Nicola Stephenson and Neil had been signed up to play teaching duo Vaughn and Allie Westbrook.
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