1957    Fr. Sean Nolan of the Missionary Society of Saint Columban (MSSC) found the Saint Columban School as the first director of the school, he starts with the first and second year high school levels with the assistance of the Sisters of Saint Paul de Chartres (SPC), namely Sr. Teresita del Niño Jesus Reyes, Sr. Isabel of the Angels Narciso, Sr. Marie Odille Cayetano and Sr. Anne Bacomo.

1958    Fr. Patrick Campion, MSSC, takes over as School Director.

1959   The secondary course is in full operation