In an exemplary embodiment, a computer-implemented method for implementing a test delivery system is provided. The method includes implementing a plurality of interoperable accommodation and accessibility tools, and providing an interface to the test with the plurality of interoperable accommodation and accessibility tools provided on the interface. The method also includes receiving one or more tool settings for a test-taker specifying one or more permitted tools in the plurality of interoperable accommodation and accessibility tools, and customizing the interface based on the one or more tool settings to allow the test-taker access to the one or more permitted tools during the test. The method further includes allowing the test-taker to activate or deactivate each of the one or more permitted tools.