List 'rules' for adding schools on the add shools page!!
I think it's urgently needed that someone adds a note to the add schools page to say the names should be in the local language and spelling. This will avoid adding city names in their local and 'englishized' spelling, as seen now for belgium which lists both antwerp and antwerpen.
NOTE: I filed a support request to rename all that already.
I think however a clear not suggesting local spelling and names is a way to avoid this in the future. 'Alternatively' you could request people only use 'englishized' names, but I'm sure they don't exist for 98% of cities in the world. My birthplace certainly doesn't have one.