I am a bit surprised that my school, Northwestern, did so well in the outcome given that 1/3 of the student body are in schools of music, journalism, education and communication (including performing arts and theater). Not that you can’t reach high salary in those fields but it’s harder on average.
Outcome (as measured by salary) is in general much more a function of the career choice than where you went to college. An average cpa is gonna easily make more money than a stellar HS teacher! Such measure penalizes schools heavily invested in low paying fields like music, arts, journalism, social work, education, etc.