It contains five churches, one of which (St Nicholas), built in 1446-88, is a good example of the late Gothic style as developed in Saxony, with its spacious proportions, groined vaulting, and bare simple pillars.
Craig's square entrance vestibule has a ribbed and groined vault with the royal arms in the center.
It is supposed that the aisle, with Decorated window and groined roof, south of the chancel, formed the grammar school (removed from the abbey in 1751) in which Samuel Rutherford (1600-1661), principal of St Mary's College, St Andrews, and James Thomson, author of The Seasons, were educated.
