Mustang Menus  Cost for Breakfast: Breakfast free to all Elementary Students Breakfast is free to all High School Students who qualify for free or reduced meals. For all others the cost will be $1.75 for High School Students and $2.75 for Adults. Cost for Lunch: Elementary Lunch is $1.85 and High School Lunch is $1.90. Adult Lunch is $3.85. Seconds when available.