My nephew is ain grade 9nine of high school. student，He is living in a dormitory usually.

The dormitory of the school has a rule that the teacher will check whether the room is clean and all thingthat all items are in the right place.

IFf you don't finish thisclean well, your score will be reduced score.

Whilen the dormitory score reduce tois 0, Eeveryone in the dormitory must go back to home next week.

Then, they have to find transport between their home and school everyday.

Now, Mmy nephew's score is 0.

HowWhat a bad week!

My nephew is ain grade 9 of high school student，He is living inand is usually stays in a dormitory usually.

If you say grade 9, no need to say high school, most people would know it means high school. "Usually" comes before the verb, usually, haha.

The dormitory of school has a rule that where the teacher will check whether/ if the room is clean and that all things are in the right place.

IF you don't finish thisclean up well, your scor will be reduced score.

WhileIf the dormitory score reduce tobecomes 0, Eeveryone in the dormitory must go back to home next week.

Then they have to transportvel/ commute between home and school everyday.

Now, Mmy nephew's score is 0.

HowWhat a bad week!

"What" sounds more natural here than how a bad week. Although I can see how in non-english it works too.

My nephew is a grade 9 of high school student，H, and usually he is living in a dormitory usually.

"Grade n" is the common expression throughout the world, but note that in the USA people will more often say "nth grade".

The school dormitory of school has a rule that the teacher will check whether the room is clean and all things are in the right place.

IFf you don't finish this well, youmeet the standard, your score will be reduced score.

Whilen the dormitory score reduce toaches 0, Eeveryone in the dormitory must go back to home the next week.

Then they have to transportcommute between home and school everyday.

Now, Mmy nephew's score is 0.

HowWhat a bad week!