Law schools are educational institutions that train students to become lawyers. They offer programs that teach various aspects of the law, including contracts, criminal law, and constitutional law. Students typically earn a Juris Doctor (JD) degree after completing their studies, which usually takes three years. In addition to classroom learning, law schools often provide practical experiences through clinics and internships, allowing students to work on real cases. Many law schools also emphasize the importance of legal research and writing, skills essential for success in the legal profession. Graduates can then take the bar exam to practice law in their state.