Scantron from Eagan , Minnesota , USA , is a company , that makes and sells machine-readable papers on which students mark answers to test questions , the machines to check those answers , survey and test scoring systems , systems for school attendance ( with a mark meaning an missing student ) and image-based data collection software and scanners . Scantron is an American company , based in Eagan , Minnesota , that manufactures and sells machine-readable papers on which students mark answers to academic multiple-choice test questions . To analyze those answers , the machines use image-based data collection software and scanners .