That would be impossible to calculate.Teachers usually vary in giving their students homework.When teachers are usually in a bad mood,or punishing, or frankly,have nothing better to do,they usually give their students homework on Friday.My teachers never gave us homework on Fridays because they know how it felt.
Anywhere you find schools is going to have homework.
No studies have been done on this, but most schools do give out homework.
Most schools give homework -- that way, the kids can all go home earlier instead of staying at school until everybody finishes all the work.
No studies have been done on this
It depends on many things: the class, the school, the teacher, the students, and the time of year (many schools don't give homework over holidays or breaks)
There are no studies on the subject, but many schools do have it.
It depends on where the kid lives or where his or her school is like. some schools give out less homework than others.
There aren't any studies of how much homework different schools give, sorry
The homework policy is a formal written policy in a local school system that governs the amount and type of homework and other details of homework that teachers can give to students. Many schools do not have formal policies.
Some schools do and some don't
yes I have been to many places in the world and all had homework
Well that is pretty much up to the school. I mean most do but I know there is one near where i live that doesn't give out homework. But if you really think about it, homework is there to help us improve, to make us the best version of ourselves. Without it, you would probably need to work a whole lot harder! the only problem i have with homework, is when teachers give you heaps! for me it sucks having heaps of things on after school and getting homework plus assignments from each teacher! i think something needs to be done about that. especially when you get heaps in the holidays. so in answer to your question, Do schools have to give out homework, they don't have to, but they know that it significantly benefits the students. By The Thinker