Down High School, also called DHS and Down High Grammar School, is a controlled co-educational Grammar School located in Downpatrick, County Down, Northern Ireland. The school encompasses students from the ages of eleven to eighteen in the senior school—of which there are, approximately, 950 pupils—and also features a Preparatory Department of 130 students (Reception to Primary 7). On the 21st July 2014, John O'Dowd approved a development proposal to close the Preparatory Department of Down High School. On the 30th June, the Preparatory Department closed. There are roughly 250 pupils engaged in A-level study in the Sixth Form.