Here’s a starter list for groups who are actively working to free our country from the Common Core Initiative.
If you know of others, please let me know.
National Federation of Republican Women
Heritage Foundation
CATO Institute
Pioneer Institute
Utahns Against Common Core
American Principles Project
Utah Eagle Forum
Joyce & Dick Kinmont Family
LDS Home Educators Assn.
American Leadership Fund
Standard of Liberty
Proper Role of Government
United Women’s Forum
Principled Liberty Foundation
Citizens for Strong Families
Freedom for Utah Education
Sutherland Institute
Thomas Jefferson Center for Constitutional Studies
COMMON CORE 
You can add Missouri Coalition Against Common Core to your list.