In this Tuesday, May 8, 2012 photo, fourth grader Trevon Davis, 9, works on a computer in computer class at Moreland Hills Elementary School in Pepper Pike, Ohio. As Ohio prepares by 2014 to join other states that deliver building-by-building percentages on classroom spending to parents and politicians, school treasurers and state funding experts are struggling to shove expenses as varied as guidance counseling, teacher pensions, school buses, furnace ducts, and playground equipment into a single two-category system. (AP Photo/Tony Dejak)
