Ok. I would agree with @Yardmom. Let them keep interacting in the yard. Read threads and articles about integration. I wouldn't rush to put them in the same coop until they are used to each other. You could also give the teens some time in the adult coop with the adults locked out to get...
It can get pretty rough but will resolve itself fairly quickly. How did you introduce tham? Did you give everybody a chance to see each other through a barrier like a fence for a while? How much room do they have? Are there hiding places, multiple feed and water stations, etc.? Once you do...