Collocations for expulsion - noun

automatic
immediate
mass
forced, forcible

lead to, result in
Copying from another candidate results in automatic expulsion.

call for, demand
order
The government ordered the immediate expulsion of the two men.

be threatened with, face
Several students now face expulsion.

appeal against (BrE)
an ex-party member who intends to appeal against his expulsion

expulsion from
her expulsion from the society

grounds for expulsion
His disruptive conduct was felt to be sufficient grounds for his expulsion.