The Ghost Teacher by Peter Kavanagh

Look...there by the dustbins, what do you see? A shimmering and a glimmering, and a figure forming in the darkness. It is the Ghost Teacher... Class 3 are the worst class ever. They do lots of crashing and bashing, nose-picking and flicking, fighting and fidgeting. No teacher can control Class 3. Until Miss Shade - the Ghost Teacher - pays them a visit...
Binding: Paperback / softback