close (one) out of (something)
To exclude one from something. A noun or pronoun can be used between "close" and "out." I'm in this relationship too, so stop closing me out of decisions. Unfortunately, the teacher closed us out of the class because we got to the lecture hall late.
close someone out of something
and close someone outto prevent someone from getting into something, such as a class, a room, a waiting list, etc. They closed me out of the class I wanted. I got in, but they closed out everyone after me in line.