I attended a Catholic school
Me too. I love how the Catholic Church created a parochial schools for the masses 
Are they same as missionary schools?
Catholic school
Catholic schools are parochial schools or education ministries of the Roman Catholic Church. , the Church operates the world's largest non-governmental school system. In 2016, the church supported 43,800 secondary schools, and 95,200 primary schools. Catholic schools participate in the evangelizing mission of the Church, integrating religious education as a core subject within their curriculum.
Background.
Irish immigration provides the main contribution to the increases in Catholic communities across the globe. The Irish immigration established the revival of Catholicism through movement to countries
sometimes traveling more than an hour each way. Most students at the Choir School are Roman Catholic and many have previously attended parochial schools.
The choir has traveled over the years to sing in Chicago, Montreal, Washington, DC, and Rome. In 2005, the choir sang in Rome for Masses at St. Peter's Basilica and at the Church of Santa Susanna and again in 2013 before an audience with Pope Francis in St. Peter's Square and a performance in Assisi. The choir has sung at Mass on multiple occasions