More international students than ever are attending Ohio State University in 2016. This year 6,446 out-of-country students are taking classes at the university's main campus and regional campuses, a record high and 4.8 percent more than the 6,153 students who attended last autumn, according to new enrollment figures. A total of 66,046 students attend the main Columbus campus and regional campuses in Lima, Mansfield, Marion, Newark and Wooster, which is also a record.