(MCT) — CHICAGO — First lady Michelle Obama will bring a star-studded lineup to Chicago on Thursday to tout the success of her national campaign against childhood obesity. But some of the toughest battles on that front are still being fought at neighborhood schools far from all the glitz and glamour.

Two years after Chicago Public Schools kicked French fries and cheese-laden nachos off lunch menus in favor of fresh fruits and vegetables, many teachers still are trying to convince students to give dishes like hummus and cucumber slices a try.