.The Data Exchange Knowledge Hub provides detailed information for all Indiana compliance reporting certification cycles and specific reporting guidance. Data Exchange implementation will begin with the 2020-21 school year, certifying Other Personnel (NE), Attendance (AT) and Calendar (CL). This site will continue to be updated with additional guidance and information. Reporting guidance for additional certifications may be found on the Data Reporting Help page. For questions specific to Data Exchange, please contact [email protected].