Here is the article, I just found it.
http://www.gazette.net/article/20130508/NEWS/130508883/1022/sligo-middle-school-principal-resigns-amid-changes-at-school&template=gazette
I too wonder. Do families move to other areas for middle school or go to private or parochial schools? I did meet some families in the area who said a lot of kids in the neighborhood go to Sligo.