Share This! ABOUT SOCIAL STUDIES Michael Greenstein Interim Instructional Supervisor mgreenstein@glenbrook225.org 847.509.2648 Cathy Walters Administrative Assistant cwalters@glenbrook225.org 847.509.2650 SOCIAL STUDIES RESOURCES Curriculum: GBN Course Offerings Voting Information and Resources: Illinois State Board of Elections Votesmart.org FactCheck.org