To make things even clearer for your church members, you can have your calendars and events lists display information by group(s) and/or campus(es) and/or department(s) and/or location(s).
You have already set up these filters in Setup: Set up the filters.
This design items allows you to display the filters you have chosen or not.
To find this design item
Step 1: After you log in, click on Calendars (brown box below).
The Your Calendars page will open.
Step 2: Choose the calendar or events list you wish to modify.
Step 3: Click on Design (brown box below).
Step 4: Scroll down and click on Headers and Links.
Working with this design item
In the image below, Show filter names is toggled off (greyed out, brown box below). As a result, nothing appears at the top of the calendar (brown arrow below).
In the image below, Show filter names is toggled on (blue color, gold box below). As a result, the filters chosen in Setup appear at the top of the calendar (gold arrow below).
As a reminder, these are the filters I chose in Setup:
Click Save at the bottom of the page to save your changes.