Parsippany is not an exception. It is the norm.
Apparently, this is Lodi’s dress code (a union t-shirt):
What example is being set for the students? Students are
wearing khakis and polo shirts. Many of their teachers are wearing t-shirts and jeans.
This is not dress down Friday as it has occurred on Mondays, Tuesdays,
Wednesdays, and Thursdays.