Changes to federal school lunch standards mean schools will have to raise minimum prices By Mike McGann, Editor, UnionvilleTimes.com Filling lunch trays, like this one, at Unionville-Chadds Ford Schools is expected to cost an additional 25 cents in the 2011-12 school year. The plus side: the lunches will feature more fresh fruit and vegitables and whole grains. EAST MARLBOROUGH — If there’s no...