Problem with posts getting duplicated

Please forgive me if this issue has been addressed in a previous post. My organization recently set up a Drupal site which seems to be working OK but anything we post to it shows up twice. You can see what I mean at TCDYC.COM. I have pretty extensive HTML experience but am new to this platform and can’t find anything in the settings that could be causing this. Any help would be greatly appreciated. 

Drupal version: