Skipping two grades (third and ninth), Shapiro went from Walter Reed Middle School to Yeshiva University High School of Los Angeles where he graduated in 2000 at age 16.[9][2] He graduated summa cum laude and Phi Beta Kappa from the University of California, Los Angeles in 2004, at age 20, with a Bachelor of Arts degree in political science and then cum laude from Harvard Law School in 2007.[10] He then practiced law at Goodwin Procter.