Salt Lake City, Utah-based Edustructures, a provider of tools for the K-12 education market, has signed a new systems integrator for its Schools Interoperability Framework (SIF) software. Integrity Technology Solutions, a Bloomington, Illinois-based systems integrator serving school districts, will offer Edustructures SIFWorks software as a solution. Edustructures is developing software for school data exchange, based on the emerging SIF standard.