The document outlines the Portuguese school calendar and education system. It discusses the structure of primary, secondary, and higher education in Portugal. Primary education consists of three cycles from ages 6 to 15 and takes place in public schools free of charge. Secondary education lasts from ages 15 to 18 and includes scientific, technological, art-focused, and vocational courses. Higher education is structured according to the Bologna Process and offers degrees, masters, and PhDs through public universities and polytechnic institutions.