An image-reading system that includes a plurality of image-reading apparatuses each including a document reading start instructing unit, and an information processing terminal connected to the image-reading apparatuses, wherein each of the image-reading apparatuses includes a detecting unit that detects that a user operates the document reading start instructing unit, a reading unit that reads a document when the detecting unit detects the operation of the user, and an image file transmitting unit that transmits an image file of the document read by the reading unit to the information processing terminal.