The document provides an introduction to the 2013 curriculum (K13) in Indonesia. It discusses the history of curriculum changes in Indonesia, highlighting ten revisions since 1945. It describes rationales for curriculum changes, including addressing future challenges and competencies. The K13 aims to equip students with skills and competencies needed in a changing world. Key differences of the K13 compared to previous curriculums include the inclusion of key competencies (KI-1 to KI-4), use of activity-based and integrated thematic books, application of a scientific teaching approach, and holistic student assessment.