Geraldine "Jerri" Caillier, daughter of Henry Raphael and Sylvania Vallot, was born in Abbeville, LA. She attended Our Lady of Lourdes Elementary School in Abbeville and Holy Rosary Institute High School in Lafayette. She received her Bachelor of Arts degree and Master of Education degree from the University of Southwestern Louisiana (now the University of Louisiana at Lafayette).
She is married to Dr. James Caillier and they are the parents of three children, Jennifer, Gerard and Sylvia.
Caillier taught in St. Landry and Lafayette Parish. She has served as a special education teacher, coordinator, placement officer, Assistant Superintendent for Student and Community Services, Assistant Superintendent for Instructional Services and as Acting Superintendent of Lafayette Parish Schools. She was then returned to her former position as Assistant Superintendent of Instructional Services. She completed Dr. Skidmore's and Dr. Bush's terms of office.
John Earl Guidry was President of the School Board during Caillier's 1995 tenure as Acting Superintendent. DeAnne Henke was President of the School Board during Caillier's 1997 tenure as Acting Superintendent.