The answers are many:
Political Science is excellent preparation for advanced study.
The study of political science serves as excellent preparation for graduate school or law school. Political Science is the undergraduate major of most students pursuing a degree in law. In addition, political science majors often pursue graduate degrees in fields in political science such as public policy or in closely related fields such as public administration.
Political Science is excellent preparation for a career.
The study of political science prepares students for a variety of careers including law, journalism, international affairs, elementary and secondary education, and positions in government agencies and political offices.
Political Science is excellent preparation for effective citizenship.
Studying political science grounds students in the importance of political participation and prepares them to take part in the political life of their communities and the nation.