Unlocking the Potential of Substitute Teaching

Our Story

Substantial’s work is winding down, but the mission lives on. Explore our story, 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. Now, we’re passing the baton.

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Substantial is a fiscally sponsored project of Playworks Education Energized (“Playworks”), a California based nonprofit public benefit corporation. Playworks is tax exempt under section 501(c)(3) of the IRS Code and our Federal Tax ID number (FEIN) is 94-3251867.