The cache is not at the posted coordinates!
You can learn the coordinates for this mystery cache by completing the "Fire Departments of East Allegheny School District" Adventure Lab.
You will need a smartphone with data service and the Adventure Lab app installed.
You can launch the adventure by opening the Adventure Lab app and browsing
Let's go on this Adventure: Fire Departments of East Allegheny School District
Once you've completed the adventure lab, you will have the coordinates to this cache. If you need to retrieve the coordinates later, you can reopen the adventure in the app, and view the journal entries for each of the 5 locations.