Write five sentences using both singular and plural nouns in a classroom/school setting.

Here are five sentences using both singular and plural nouns, based on a classroom/school setting:

1. There are ten girls in my class.
2. The teacher has many books.
3. There are several desks and one board in the room.
4. The student has many pencils.
5. Our school has two playgrounds.
6. The classroom has four windows.