Hi,
My kids are younger, so I don't have the scoop on middle school yet. I wanted to recommend that you join this listserv and ask your question.
http://groups.yahoo.com/group/ssmoms_2003/
It is the Silver Spring mom listserv and *very* active. I think you'll get much more targeted responses, since most of the members live in Silver Spring. Members of the group are also very nice and helpful.
FYIW - I live in the Singer/Sligo/Einstein area. I see lots of chatter about improving Sligo on my neighborhood listserv, but don't know how much progress has been made so far.