Diana Vance was born and raised in the Porterville area. She attended Rockford Elementary School, Porterville High School, and received her AA degree from Porterville College. She then completed her BS degree at California State Polytechnic College San Luis Obispo. After marrying her husband, Tito, in 1968, Diana began her 34 year teaching career at Alta Vista Elementary School. While working, she completed her teaching credential and second major from Fresno State University. After Tito’s passing in 2020, she joined  the Ducor School Board of Trustees and began volunteering on campus.