 These institutions generally have good reputations and are popular among students because their courses are a passport to the military/police career.These state-run institutions are the Air Force Academy, the Military Academy, the Naval School and the Instituto Superior de Ciências Policiais e Segurança Interna.Over 35% of college-age citizens (20 years old) attend one of the country's higher education institutions (compared with 50% in the United States and 35% in the OECD countries).