The Ateneo de Iloilo, Inc. was registered with the Securities and Exchange Commission (SEC) as a non-stock, non-profit educational institution on December 19, 2003 by Filipino Jesuits to provide quality Catholic, Jesuit education. On May 22, 2010, the Board of Trustees of Santa Maria Catholic School (established in 1958 by Fr. Andrew Joliet and Fr. Santiago Leon, French Jesuits) and Ateneo de Iloilo, Inc. (the merging entities) approved the plan of merger of the two schools. Subsequently, during the annual meeting of the respective members of the merging entities, they ratified the resolution of their respective Board of Trustees authorizing the merger. On April 23, 2015, the School obtained approval from the SEC for the merger to be effective with Ateneo de Iloilo, Inc. as the surviving corporation. With the name Ateneo comes the commitment to deliver better curriculum, programs, services and facilities. The school is located at Atria Park District, Pison Ave., San Rafael, Mandurriao, Iloilo City. The school has 165 regular staff (teaching and non-teaching), 25 part-time staff, 5 Consultants, and 10 members of the Board of Trustees.
Its purposes, among others, are “to form a community that is faithful to the teachings of Christ, men and women who seek union with the Creator through love and service of neighbor; to nurture each person’s God-given potentials and acts with generosity and desires to always do more for the greater glory of God; and to form students who are sensitive to and responsive in promoting justice, peace and integrity of creation.” The school offers Pre-school, Grade School, Junior High School and Senior High School (Academic Track on Science & Technology Engineering and Math (STEM) strand; and Accountancy Business Management (ABM). Ateneo de Iloilo, Inc. is PAASCU Level 2 Accredited (2017-2022).