 | This article relies largely or entirely on a single source. (May 2015) |
| Assumption Grammar School | |
|---|---|
 | |
| Address | |
 | |
24 Belfast Road Ballynahinch , County Down , BT24 8EA, Northern Ireland | |
| Information | |
| Type | Grammar |
| Motto | ex sola virtute honor (From virtue alone comes honour) |
| Religious affiliation(s) | Roman Catholic |
| Founder | Mother Baptist McKenny |
| Chair | Mairead O’Halloran |
| Head teacher | Peter Dobbin |
| Gender | Female |
| Age | 11 to 19 |
| Enrolment | 905 |
| Houses | |
| Colour(s) | |
| Website | www |
Assumption Grammar School (also known as 'The Assumption', 'Assumption Grammar' or 'AGS’) is a Catholic girls' grammar school in Ballynahinch, County Down, Northern Ireland, with over 900 students.