These aren't the droids you're looking for.
usually 6 (monday to saturday) but it depends on the school
5, from Monday to Friday. However, some Japanese students also attend Cram School.
student are in school for about 180 days.
Typically around 180 days for grammar school students.
I think it is like international school or local school days....
5 days
Students in Cuba are required to attend school for about 190 days per year.
13 days a week
243 days
Chinese students typically attend school for 5 days a week, from Monday to Friday. They also have additional classes and activities during weekends and holidays to prepare for exams and competitions.
School Days has not been Dub, So the only way to watch it is in Japanese.
About 300. It depends on the school though.