John was admitted to practice law in 1983. He graduated from DeQuincy High School in 1975 and attended the University of Southwest Louisiana at Lafayette, LA, prior to graduating from McNeese State University in Lake Charles, with a Bachelor of Arts degree in government and minors in history and English. John attended Paul M. Hebert School of Law at Louisiana State University in Baton Rouge, and graduated with a Juris Doctor degree in 1983.