[gypsy_boots]

PG County school district shares a border with Washington, DC, which may be a reason why it got caught and other schools haven't yet. By that I mean, other schools may in fact be in violation, but investigators (who are likely in DC) heard about the practices going on right next door.

[dudifordMann]

Looks like this was the reason for the 2011 violation:

http://www.today.com/id/44708445/ns/today-today_news/t/forei...

with the court ruling of:

http://h1blegalrights.com/2011/07/md-countys-public-schools-...