Markethill High School is a secondary school located in Markethill, County Armagh, Northern Ireland. The school caters for 11- to 16-year-olds and (as of 2007) had 490 pupils. It is within the Southern Education and Library Board area.

History

The school opened in 1959, and was renovated and extended in 1985. Its principals have included: In 2011, the school opened a new fitness suite and gymnasium which is open to the public three evenings per week. In March 2012 the school won the British Academy Award for the Best Mainstream School for Modern Languages in Northern Ireland. In addition, the school was shortlisted to the final 3 entries for the Best Mainstream School in the UK for Modern Languages. In January 2012, the school won £4000 to fund a STEM project (Science / Technology / Engineering / Mathematics) based its cross-curricular initiative. As of 2019, the school was ranked as the 7th top non-selective school in Northern Ireland.