GB. Scotland. University of St Andrews. Student ambassadors. The wearing of gowns is as follows: First years wear theirs fully on the shoulders, then in second year off the shoulders. Third years wear the gown off the left shoulder if they are arts students and the right shoulder if they are studying science. A fourth year student will wear the gown off both shoulders, across the elbow. L to R: Second year Georgina Savage, third year Luis Koester, third year Ben Mcauley, third year Kate McLachlan, fouth year Sarah Lamorte. 2019.