What schema is a view bound to, when an environment has multiple available?

I'm in a somewhat unusual situation:  A vendor solution includes a server where different versions and environments exist, simply by existing in different schemas all on a single server.  So for example, where normally you'd have environments on separate servers entirely, the setup includes one server with a  DEVELOPMENT, STAGING, TRAINING, REPORTING, and UTILITIES schema, each of them an image of the an application database, each with it's own unique intended purpose.  The REPORTING schema is the one most used on a day to day basis, and to keep all the versions read only, people who want to write their