Note: Anyone can create as many meeting rooms as they like. When you sign in to https://psu.zoom.us/ there is a tab that says "Personal Meeting Room." That URL never changes. You can even personalize the URL if you like. The "Upcoming Meetings" tab is where you can set up other meeting rooms (with different URLs). It may be useful to use the personal meeting room for all of your personal work (non-class) meetings.
For the purpose of teaching a class using Zoom, you may wish to set up a meeting room for that course - maybe with different parameters. A class meeting room might be set up so that no one can enter the room before you, or that recording automatically starts at the beginning of the meeting. But you might not set up those parameters for a personal meeting room.
To set up a class meeting room: