"Only 1 per cent of international students break the terms of their visa by refusing to leave after their course ends, a secret government study has found." See: Ministers hide report on migrant numbers -
“Only 1 per cent of international students break the terms of their visa by refusing to leave after their course ends, a secret government study has found.”
See: Ministers hide report on migrant numbers – Foreign students overstated by tens of thousands (Times, link)