Catholic Diocese of Wichita is a home to more than 115,967 Catholics in over 90 parishes. It covers an area of nearly 20,020 square miles in approximately 25 counties in south-central and southeastern Kansas. The organization manages more than 35 schools and serves over 11,000 students, as well as administers nearly 20 preschool programs. Catholic Diocese of Wichita also offers services for individuals with developmental disabilities. In addition, it administers SEK (Southeast Kansas) Catholic Engaged Encounter, which is a Christian marriage preparation program for couples. The organization also manages youth and young adult ministries. Catholic Diocese of Wichita operates the Spiritual Life Center.