Poe was later legally adopted by the couple after further efforts to search for her biological parents failed , and she attended elementary school at Saint Paul College of Pasig and Saint Paul College of Makati .
Poe was later legally adopted by the couple after further efforts to search for her biological parents failed , and she was renamed Mary Grace Sonora Poe by them . 
 She attended elementary school at Saint Paul College of Pasig and Saint Paul College of Makati .