5
Typically around 180 days for grammar school students.
Students in Cuba are required to attend school for about 190 days per year.
13 days a week
The majority of Russian students are expected to attend school six days a week.
180
All 7 days
you do not know anything wiki answer
75 percent
monday, tuesday, wednesday, thursday, friday,and saturday
China
monday, tuesday, either no class wed or minimum day, thursday-saturday, no school sunday
5, from Monday to Friday. However, some Japanese students also attend Cram School.