An information processing system includes a server apparatus that provides a plurality of applications; and a terminal device coupled to the server apparatus via a network, and sets a plurality of pieces of custom information for customizing display screens of the applications. The server apparatus includes a memory and a processor coupled to the memory and configured to manage application information that includes the plurality of pieces of custom information and reference information, cause the terminal device to display a setting screen on which a given piece of custom information is to be set, in response to a request from the terminal device, display a list of the plurality of pieces of custom information, included in the application information, enabled for selection on the setting screen, and determine an order of displaying the list of the plurality of pieces of custom information based on the reference information.