International Mathematical Olympiad selection process Olympiad. Although in principle students of the lower levels may be selected to go to the IMO, it generally takes many years before they can compete with students of the highest level or nivel superior. After the National Competition the twenty best students of each level are invited to the June Training Session where students undergo the IMO selection process. "Hrvatsko matematičko društvo" invites about 20 contestants who performed best at the national level (national level competition is separated by age) to the Croatian Mathematical Olympiad ("Hrvatska matematička olimpijada", HMO) which consists of 2 days, 4 problems each. The best
Arts Olympiad Olympiad to participate. The festival includes over 50 performances and many art-related workshops. It also has sessions for the winners from different countries to co-create artworks with many adult artists. Before the event, the Arts Olympiad winners from Washington, D.C. are asked to be ambassadors for the festival and exchange emails with international winners to welcome to the festival. The international winners are welcomed to the host families around the Washington area. Children share ideas and work together during the three-day festival. On the last night of the festival, the celebratory dinner is held with all guests dressing in national