Ministerio de Educacion del Peru (Minedu)
ONEM is Peru's national school mathematics olympiad, organized by the Ministry of Education (Minedu) with Aceros Arequipa, for secondary students from public and private schools nationwide in three levels (grades 1-2, 3-4 and 5). The XXII edition in 2026 ran through school, UGEL, regional (DRE) and national stages, with the national test on October 11, 2026; the official page hosts the 2026 guidance booklet (cartilla), rules and past winners.