The Gallagher Girls Series by Ally Carter. Cammie Morgan can speak 14 different languages, hack CIA computer codes and kill a man seven different ways. She and her friends are students at the elite Gallagher Academy for Exceptional Young Women, where martial arts and chemical warfare are on the curriculum, and the real mission is training spies.
The Gallagher girls and their code names
I use this in real life. :p
Gallagher Girl Quotes Just had to repost this and add one last quote, "What is a Gallagher Girl?"