Cebu International School is a private secular institution offering a Nursery to Grade 12 college preparatory international education. CIS is a non-stock, non-profit, self sustaining corporation governed by a Board of Trustees elected from the parent body. The school was founded in 1924 as the Cebu American School with an international curriculum and has been serving clientele from both the domestic and international communities since then. CIS is a day school which uses English as the language of instruction and follows a calendar year from August to May.
Granted Republic Act 9190 in February 2003, Cebu International School operates to sustain its international character and employs a multinational administration and faculty. The school aims to develop well-balanced, global citizens who are intelligent, dynamic, technologically competent, environmentally concerned and respectful of universal moral values within the multinational environment of an ever-changing interdependent world. The International Baccalaureate Diploma Programme, ESL curriculum and After School activities enrich and broaden the school program. Accredited by the Western Association of School and Colleges (WASC), a CIS education prepares individuals and provides the skills necessary to succeed in the 21st century. The school is also authorized to teach the International Baccalaureate programme, offering the full IB Diploma programme in Grades 11 and 12, which allows students graduating from CIS the opportunity to seek entry into the best colleges and universities in over one hundred countries worldwide. The school is also a regular member of the Council of International Schools (formerly the European Council of International Schools) since 1998 and the East Asia Regional Council for Overseas Schools (EARCOS) since 1993.