Substantial is winding down, but the mission lives on. Explore our legacy, access our resource library, and find out what’s next for SubSchool.

SubSchool @ NCGYO

SubSchool now has a new home at the National Center for Grow Your Own, where it continues to support substitute teachers and grow the educator pipeline.

Resource Library

We’ve collected our best tools, templates, and insights to help improve substitute teaching and build more human-centered systems.

Our Story

Over nearly a decade, Substantial Classrooms helped reimagine substitute teaching through human-centered design, national thought leadership, and the creation of SubSchool. Our book, Substantial Classrooms, captures that journey and shares what we learned.