John Paul II High School, Greymouth is an integrated Catholic, co-educational Year 9 to Year 13 (Form 3-7) secondary school located in Greymouth, New Zealand. The school was founded in 1980 from the amalgamation of two schools, St Mary’s High School, operated by the Sisters of Mercy (who arrived in Greymouth in 1882) and Marist Brothers Boys’ School operated by the Marist Brothers (founded in 1892).