Vitamins, minerals and other nutrients found in fresh foods support important brain functions such as memory, attention and focus. What’s considered a healthy lunch? If your family qualifies, consider free and reduced-price school lunch programs, which are required to meet federal nutrition standards, Mathisen-Holloman says. Packing a healthy lunch doesn’t have to mean perfection. Small, affordable choices made consistently, and with children involved in the process, can help build lifelong healthy eating habits, one lunchbox at a time.