This class will more than adequately prepare you for the national test. Over the years, 85% of students have received college credit by taking this test. ... Most college majors require at least 1 class of government. There's no cost for the course and starting this year there is NO COST for taking the AP Exam. The AP U.S. Government and Politics provides a college-level, nonpartisan introduction to key political concepts, ideas, institutions, policies, interactions, roles, and behaviors that characterize the constitutional system and political culture of the United States.