Thanks for taking the time to respond, TipLister!

In the examples you mentioned, each Filter had options that were unique to each category. What if some of them were common? For example take your 2 categories (Sports and Music) what if you also wanted to filter by college name? Some colleges have a classical music program, but not a jazz program, some have both, some have neither. Some schools have a tennis program and/or golf program, some have neither.

Let’s say my site focuses on Community Colleges in Florida. I want to be able to enter the list of Community Colleges in Florida once, and specify (once) which schools have which sports programs and which music programs (if any). That way, if a person uploads a new page on my site and specifies that it relates to Jazz music, the “College name” filter will only show the schools that have a Jazz program, not those that don’t. Similarly, if a customer filters by college first, and then wants to filter by sports and music programs, the drop-downs should only show the options that that school has, not entire, exhaustive lists of sports and music programs.

Hope that makes sense. And REALLY appreciate your help!