EDUCATION
What is the number of students per class in Germany? Italy? Beligium?
https://www.statista.com/statistics/1078190/students-per-class-in-europe
What is the timetable in US, England, Norway?
https://www.shoezone.com/Blog/back-to-school-whats-school-like-around-the-world
When do they start learning foreign languages in Canada, Sweden and Greece?
Percentage of students who repeat the year in Spain, France, Finland and Austria?
https://ec.europa.eu/eurostat/statistics-explained/index.php?title=File:Early_leavers_2021.PNG