Important: This Investigating History preview site will be deactivated on August 31, 2026. Please visit the DESE website for up-to-date unit materials. 

Teachers interested in referencing previous versions of the curriculum will be able to fill out a form to access those materials.

Please note that Grades 5-7 curriculum units have now been fully published to the DESE website.

This Google site will remain active throughout the 2025-26 school year for preview access to Grades 3-4 pilot materials and access to "legacy" Grades 6-7 materials.