 She then took her secondary education at Southeastern College in Pasay City.Bag-ao earned her Bachelor of Arts degree in Political Science from the De La Salle University in 1989, and her Juris Doctor (JD) degree from the Ateneo de Manila Law School in 1993, where she became a Judge de Veyra Scholarship Awardee and an Ateneo School of Law Scholarship Awardee.She passed the Philippine Bar Examinations in 1994.