There are many different criteria for ranking law schools:
In looking at law schools, you should be very careful to note the criteria used, the methodology used, and the identity and motivations of the ranking entity.
A word on rankings: Striving to gain admission to the highest ranked school you can is probably the best approach. This is because the ranking of the school you attend and your class rank in law school are major determinates of employment opportunities. Though it’s smart to consider other factors such geographic location, financial considerations, and unique academic programs. A successful admissions effort geared toward highly ranked schools will also serve you well for programs ranked lower.