We were not curiosities when I attended in the late 80s. I doubt the faculty were less liberal then than now. Come senior year when 40% of grads are sending in resumes to financial companies’ recruiters, if there was closeted conservatives, they’re pretty evident in their suits going to the various hotels for interviews.
I suspect there won’t be a verifiable standard to meet your threshold TO4S. I’m very satisfied, both from my own time there – and witnessing it in the years since.