St. Joseph's is an all girls voluntary Catholic Secondary School, founded by the Sisters of Mercy in 1918. It is situated in the centre of Castlebar and is built on the historical grounds of the Lord Lucan estate. Providing education for 100 years, St. Joseph's celebrated its centenary in 2018/2019.
The school is under the trusteeship of Ceist and has over 600 students attending at present. We aim to provide a holistic Christian Education in co-operation with teachers, students, parents, management and the community.