While school systems in Rome, Berlin, Barcelona, and Cagliari share some similarities, they also have differences. Students in Rome and Cagliari only attend morning classes and have lunch at home, whereas students in Berlin and Barcelona can eat lunch at school or at home. Weekly class hours range from 27-36 hours depending on the city and grade level. Lesson lengths are generally around 45-60 minutes, but the daily and weekly schedules vary between cities.