Bishop Baumgartner Memorial Catholic School (BBMCS) has a very rich history. In 1945, Bishop Apollinaris William Baumgartner, OFM Cap, D.D., arrived on Guam and began laying the foundation for Guam’s Catholic school system. In 1949, Cathedral Grade School (CGS) became the first Catholic elementary school on Guam and was administered by Sister Mary Inez Underwood, a Sister of Mercy from Belmont, North Carolina. At the request of Bishop Baumgartner, the Franciscan Sisters of Perpetual Adoration agreed to administer St. Jude School, built in 1954 under the leadership of Father Raymond Demers, OFM Cap., with the happy labor of more than 500 men and women volunteers who were parishioners of St. Jude Church in Sinajana. Over the years, the school was to undergo changes in grade levels, but from 1970 to 1989, the junior high was limited to grades seven, eight, and nine.