St. John's School was opened on September 12, 1923 under the leadership of Rev. Joseph M. Johnson, S.J. The first four grades were taught in the sacristy of the church and grades five through eight were held in a second story room over the sacristy.

From the 1920s until the 1980s, the school was staffed by the Sisters of Charity of Nazareth, Kentucky. On May 20, 1924 the white frame section of the school was completed as a four-room school building. On June 15, 1952 a brick addition of two classrooms, auditorium and full basement were completed. Later, part of the auditorium was partitioned to make two additional classrooms and the remaining auditorium space was converted to a library.

Opening in Fall of 2006 and dedicated on May 13, 2007, the Monsignor Harris Parish Center connects the church and school and provides a multi-purpose facility to serve the needs of both. The school was maintained in a frame and brick two-story building made up of ten classrooms, an office, a library, two computer centers, a science and art work area, and a faculty room. Access to the parish facility provides the school with a cafeteria, an auditorium, a gymnasium, and additional meeting rooms when needed.

On February 6, 2010, we experienced a major snowstorm that caused the roof (of the 1952 portion) to collapse. Students were temporarily relocated to Holy Angels-Sacred Heart School for the remainder of the school year. Architects were immediately hired to begin construction on a new, state-of-the-art school.