These state-developed, open-education-resource instructional materials (OER IM) are available for free to Texas school districts and other educators through the Texas Gateway. All products are certified to meet 100% of the required standards (Texas Essential Knowledge and Skills or College Board Learning Standards).

These materials are licensed under a Creative Commons Attribution 4.0 International Public License (https://creativecommons.org/licenses/by/4.0/legalcode) in accordance with Chapter 31 of the Texas Education Code.