There is no single path to law school but there are important skills, values, knowledge and experience that you can acquire prior to law school that will provide a sound foundation for a legal education.
Determine your major and work on becoming fully admitted into program.
Consider securing an internship related to the legal profession.
Research the legal profession on the internet, by shadowing attorneys, meeting with possible mentors that work in the profession, and learn more about the state of the legal profession in the Occupational Outlook Handbook as well.
Keep studying, earning good grades and building relationships with professors.