Ontario's colleges and universities say the federal government's cap on international students is taking a toll on the higher education sector as some schools face growing deficits, layoffs and, in at least one case, a temporary campus closure.

St. Lawrence College in Kingston, Ont., said it has eliminated 30 administrative and support positions and warned of further job cuts after its foreign student enrolment dropped by 50 per cent.

President and CEO Glenn Vollebregt said the college is partici…