School Meals Reimbursement Rates Comparison Act of 2013 - Directs the Secretary of Agriculture to report to Congress on the cost differences between: (1) providing meals and supplements under the school lunch and breakfast programs in Guam, American Samoa, Puerto Rico, the Virgin Islands, and the Northern Mariana Islands, respectively; and (2) the average cost of providing those meals and supplements in the states and District of Columbia.
Requires that report to show the relation of those cost differences to the national average payment rates for meals and supplements under the school lunch and breakfast programs.