Of the handful of Am Law 200 firms with practice groups dedicated to education, most focus on advising colleges and universities. Thanks to a confluence of events over the past five years, McKenna, Long & Aldridge has carved out a narrower niche: handling legal matters related to charter schools.

Now, the firm’s uncommon expertise has put it on the front lines of a constitutional showdown in Georgia over how the publicly funded, privately run schools should be established and funded. It’s a battle McKenna Long is happy to have, said Eric Tanenblatt, the firm’s senior managing director in Atlanta and head of its national government affairs group.