Become a member of a bar association on the national, state and/or local level and join a relevant section, division or committee. Most associations offer reduced membership fees for students, and the sections are low-cost (or even free) to join.
Bar associations and their subsections publish topical newsletters or journals and are forums for the exchange of information, resources, skills and ideas. Their annual conferences and meetings can be excellent avenues for networking with experienced attorneys and learning about the field -- and most offer discounted rates for students.
Here are some examples:
American Bar Association (ABA)
The Center for Co-op and Career Development works with law students on all aspects of their co-op experience, job selection strategy, and succeeding in the workplace. The office also conducts an orientation to co-op for first-year students, programs on the mechanics of co-op, panels on the practice of law, and presentations on supervision and professional responsibility.
For more information, please refer to the Center for Co-op and Career Development (CCCD) Research Guide.