Benicia School District in California added daily vegan options, which include meals such as Buffalo Calzone, Vegan Burger, Bean and Chili Tamale, Vegan Meatball Pocket, and Black Bean Corn Salad. See: http://www.schoolnutritionandfitness.com/index.php?sid=2202112119524356&page=menus
For more information on school lunches, go to:
https://www.vrg.org/fsupdate/index.htm#School
https://www.vrg.org/teen/#food