This document discusses evidence for educational technology (EdTech) products and programs. It explains that under the Every Student Succeeds Act (ESSA), states must document accountability plans using five school-level indicators, and evidence-based programs can be funded with government money. The document outlines different types of evidence categorized as foundational, formative, or summative. It also provides levels of evidence and discusses where to find information on a product's evidence base, as well as how to weigh the available evidence and leverage various government funding sources for EdTech.