In Portugal municipalities are responsible for school infrastructures and staff, whereas teachers are provided by the Ministry of Education. In face of the Covid-19 pandemic, a state of emergency was declared on March 18th, 2020. Schools and universities were closed, and online teaching was enforced, as well as a state program for TV-schooling. It went on for the remaining of the school year, except for the last two grades of high school, whose students returned to sc...