New York Elementary School is One Of The First To Go Vegetarian

Elementary School Cafeteria Goes Vegetarian by Alyssa Newcomb.  ABC News.  May 1, 2013.

(1)  In this school how does this shift in cafeteria menu relate to what is being taught elsewhere in the curriculum?

(2)  How was "product testing" used before the shift?

(3)  How does the school make certain that the students get plenty of the right kinds of Nutrients?