180
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.
5
you do not know anything wiki answer
75 percent
China
monday, tuesday, either no class wed or minimum day, thursday-saturday, no school sunday
The question is asking for a ratio. To find a ratio in this case, you divide the smaller number by the bigger number. Divide 180 by 365 and you will find the part of the year students attend school.
5, from Monday to Friday. However, some Japanese students also attend Cram School.
In theory, school time from Monday to Friday. Owing to drastic competition many students have extra classes on Saturday. It seems the government has taken measure to lighten students burden, but it cant control the situtation.