Integration and flock groups

[Brooksy21]

Is there a separate entrance to their part of the coop?
Sounds like it's time to take down that wall.

Also, I’ve heard to wait till they are laying to fully integrate. I might have a a bully. Not sure yet. They seem ok when I watch them but I protect the littles not sure what happens if I let them all integrate and I’m not there to intervene. I’m at work most of the day.