This is the 12727th most frequent Korean word.
대학원별로
"By each graduate school."
대학원별로 is used to indicate that the programs differ depending on or according to each graduate school.
대학원별로 프로그램이 다릅니다.
The programs vary by graduate school.
대학원별로 specifies that student assignments are decided within the context of each respective graduate school.
학생들은 대학원별로 배정됩니다.
Students are assigned according to their graduate school.
대학원별로 is used here to describe the provision of financial support based on the graduate school categories.