Is Phoenix Bay School here?
https://get-information-schools.service.gov.uk/Establishments/Establishment/Details/148761

Currently mapped at https://www.openstreetmap.org/way/1057029583

But their address is now "The Pavilion Building, Seale Hayne"

However, see https://www.openstreetmap.org/note/3890353 about confusion over the name of this building

#surveyme