St. Thomas University, a small, undergraduate liberal arts university located in Fredericton, New Brunswick. (Credit: STU Communications) In Maclean's 2027 university rankings, St. Thomas University (STU) fell five spots from its previous national rating of 48th to 53rd nationally and 11th among small universities in Canada. A new methodology is now used in the 2027 rankings, which classify colleges based on enrollment size and take into account variables including research i