This document provides an introduction to the Speak Up research project, which collects feedback from K-12 stakeholders annually to inform education policies and programs. It discusses Project Tomorrow as the nonprofit organization that facilitates Speak Up. Key points include an overview of the annual Speak Up surveys of students, teachers, parents and others; examples of how survey data has been used; and an invitation for schools and districts to participate in Speak Up 2018 by administering online surveys to various stakeholder groups.