Kohl Mansion 2750 Adeline Dr, Burlingame, CA94010 Mercy High School is an all-girls private Catholic high school working in collaboration with the Sisters of Mercy. The…More mission of the school is to prepare students to be responsible and compassionate citizens and lifelong learners. Mercy schools can be found in 20 states and five countries. The Mercy education system was founded in Ireland by Catherine McAuley of the Sisters of Mercy and is more than 170 years old. Through strong academic, arts and athletic programming, the school produces well-rounded students.