This session will review how AU Determinations are calculated, including the data collection timeframes. It will then provide an overview of determination levels of support, with a focus on leveraging data to strengthen Specially Designed Instruction as measured by SPP/APR indicators. Participants will also address a common challenge related to data lag in determinations by learning how to access and use more current data sources. The session will include a demonstration of how to navigate the Data Management System (DMS) to access the most current data available analyze multi-year trends. Note: participants will need their laptops to access activities and data.