GWU offers cross-registration with Gallaudet. (The schools are about 3 miles apart - half an hour on public transit.) The English department offers two BA tracks: English, and Creative Writing + English. And the university is the right “tier” to aim for, for a top student who wants a competitive school that gives merit scholarships.
URochester is worth a look - another highly-regarded university that gives merit. There’s a huge Deaf community in Rochester, which has the National Technical Institute for the Deaf at RIT (but RIT itself is too STEMmy for you, I think). URoch also has depth in ASL American Sign Language Program : University of Rochester Their English department offers four different tracks, one of which is theater focused, which might be of particular interest to you. (The others are British & American Literature, Creative Writing, and Language, Media & Communication.)
McDaniel College in Maryland offers both a major and minor in ASL, and multiple tracks and programs within the English department. Merit is generous here.
Clemson could be worth a look: