Open Educational Resources

Open Educational Resources are textbooks, learning objects, and other educational materials that are open: they are free to use, have few or no access restrictions, and most can be freely remixed, customized, and adapted.

For more information about OER at the Illinois Mathematics and Science, visit our LibGuide, or contact us at


Browse the Open Educational Resources Collections:

Advanced Biological Systems (ABS)

An Epidemiological Approach to Addressing Food Insecurity

AP Calculus BC

English Teacher Resources

Little STEAMers: Early Learning Program

Mathematica Notebooks for Pre-Calculus and Calculus

NGSS Model Lessons: Kindergarten - 5th Grade

Open Access Books