Mount Allison University is a Canadian primarily undergraduate liberal arts college located in Sackville, New Brunswick. It has been ranked the top undergraduate university in the country 21 times in the past 29 years by Maclean's magazine, a record unmatched by any other university. With a 17:1 student-to-faculty ratio, the average first-year class size is 60 and upper-year classes average 14 students.Mount Allison University is a primarily undergraduate Canadian liberal arts and science university situated in Sackville, New Brunswick. It has been ranked number-one in the country for 18 of the last 24 years by Maclean's magazine (in the category of "primarily undergraduate" universities) and given top ratings in Maclean's annual alumni survey. With a 16:1 student-to-faculty ratio, the average first-year class size is 65 and upper-year classes average 14 students.