Create Dropdown Filters connected to each other

Question:
How can I add dropdown filter on the page that works with each other to filter CMS content?

Product:
Wix Studio CMS

What are you trying to achieve:
I have a CMS collection of schools and I added Country, State, City and Neighborhood collections as reference inside the school CMS.

I wanna make sure that if I filter the State only the cities within that State shows on dropdown and also for the Neighborhood.

Otherwise it allows user to apply random filters and make zero results.

Please check https://dojoplus.link/locales-filters

The best way to do this is to code it for multiple conditional dropdowns