an acquaintance that you go to school with
同じ学校に通っている友人
a person who has studied at the same school as one has
the condition of both boys and girls studying at the same school
同じでいる
in Japan, a person who is a friend who studies at the same after-school private school
a group of students who have graduated from the same school
同じであるさま
each school
your school
the differences that exists between schools