Born Mary Ellis Opdycke, Peltz was educated at the Spence School and Barnard College (Phi Beta Kappa).
high school | Harvard Business School | London School of Economics | Harvard Medical School | secondary school | Harvard Law School | Eastman School of Music | Juilliard School | Public school (government funded) | High School Musical | Gymnasium (school) | Yale Law School | Rugby School | school district | high school football | public school | school | New York University School of Law | Westminster School | Tisch School of the Arts | Charterhouse School | Harrow School | University-preparatory school | Naval Postgraduate School | Glasgow School of Art | University of Michigan Law School | Manhattan School of Music | Guildhall School of Music and Drama | Columbia Law School | elementary school |
Doi graduated from the Spence School, before attending Northwestern University, where she graduated in 1991 with a sociology degree and was a member of Delta Gamma sorority.