Places   (Help with places, streets and buildings in Wigan.)

Apologies in advance for this sketchy info, but my wife is an old Wiganer and she remembers being in a school about 45 years ago, run by nuns I think, and she was chosen to present flowers to Mother Teresa when she visited the UK and the Wigan area. It meant so much to my wife as a Catholic, and she would love to find out more info, especially a photo, which I assume would have been taken for such an important occasion. I am trying to find out information as a surprise for my wife, hence the lack of info. Can anyone help please?