I'm a St. John's grad posting with the caveat that I'm speaking from my experience and not for the program or university. The clinical psychology program is not a religious program, and if you didn't know it was a Catholic school, you couldn't tell the training apart from training at a state school or secular university. I saw no constraints placed on teaching, research, or academic freedom that would prevent someone from doing work on gender and sexuality. As a non-Catholic/non-Christian who isn't particularly religious (the school is among the most diverse in the country), I felt no pressure to adhere to any particular perspective. Faculty were supportive and encouraging of students who were interested in studying gender and sexuality, regardless of whether those interests tracked with the Catholic faith.