Data itself is just that, data. It is the knowledge and understanding of how to collate and present the data that offers the potential of educational impact. To truly deliver impact the assessment data also needs to be accurate and consistent at the point of creation and Sonar has been designed to include tools to support this. Schools and educational establishments hold a wealth of data in a multitude of places. Taking that data to a single repository with analysis tools that understand how to present it can enable significant impact. From individual pupils identified as needing more support in a facet of writing through to whole school, or even schools, identification of a need to give teachers better tools to support mathematics; the ability to draw rapid conclusions is key.