St Louis Grammar School, Kilkeel is a Roman Catholic secondary school located in Kilkeel, County Down, Northern Ireland.

[1] The pupils come from the surrounding catchment area: Warrenpoint, Annalong, Newcastle, Castlewellan, Hilltown and Rostrevor.

It offers a broad range of subjects at all Key Stages including GCSEs, A levels and BTECs including Academic and Vocational/Applied subjects.

Staff offer the full range of STEM subjects - Science, Technology, Engineering, Maths and ICT.

[2] In 2018, 84.1% of its entrants achieved five or more GCSEs at grades A* to C, including the core subjects English and Maths.