Question

which would be a subset of the students in a school? all of the students and teachers in the school all of the students in one class

Explanation:

A subset contains only elements from the original set. The original set here is all students in the school. The first option includes teachers (not part of the original student set), while the second option only includes students from one class, all of whom are part of the school's student body.

Answer:

all of the students in one class