An image processing system configured to perform image processing with a plurality of apparatuses operating in cooperation with one another includes a setting unit configured to set a cooperation destination apparatus in a cooperation wait state, a searching unit configured to search for the cooperation destination apparatus set to the cooperation wait state by the setting unit, a display unit configured to display a result of the search on a display device, and a control unit configured, using the apparatus included in the displayed search result as the cooperation destination apparatus, to perform image processing with a cooperation source apparatus and the cooperation destination apparatus operating in cooperation with each other.