St. Mary's is a private Catholic day school. Founded by the Irish Holy Ghost Fathers in Parklands, our school is currently situated within an expansive 85 Acres in Muthangari, Nairobi. The school is one of many owned and managed by the Archdiocese of Nairobi.It have a combined program consisting of Junior (Primary) and Senior School (Secondary). Our Junior school teaches the KCPE curricula while our Senior school programme teaches both KCSE and IGCSE.