Specifications include, but are not limited to: The Offeror shall provide technology services related to the development, delivery and maintenance of an end-to-end assessment system that utilizes ISBE’s existing ISA systems: ISBE Teach, ISBE Learn, ISBE Management and ISBE Scoring System and fully integrate Test Authoring, Item Bank, and Test Assembly systems for the period from the Date of Execution through June 30, 2023. ISBE currently administers and delivers the ISA using an open-source platform and requires Offerors to utilize current ISBE platforms in their responses. Offerors will propose open-source or custom platform(s) for item authoring, an item bank, and test development/assembly that will fully integrate with existing ISBE systems.