The campus the first year students go to and the second year and above students go to is different.
The campus that the second year and above students go to is different from the campus the first year students go to.
ーThe campus the first year students go to and the second year and above students go to is different.
「一年生が通うキャンパスと2年生以上が通うキャンパスは異なる。」
first year students で「1年生」
second year and above students で「2年生以上の学生」
ーThe campus that the second year and above students go to is different from the campus the first year students go to.
「2年生以上の学生が通うキャンパスは1年生が通うキャンパスとは違う。」
A is different from B で「AはBと異なる・AはBとは違う」
ご参考まで！
カナダ 
