Dimetrous was born in Greenville, Texas on September 30, 1948.  She grew up in Greenville, and graduated from Carver High Schooil in 1967.  She worked for the Greenville Independent School District for 26 years, retiring in December of 2003.

During that same year she received her Bachelor of Business Administration Degree, in the same month.  She later received her MBA in Business Management and Leadership in 2010.  In 2015, was awarded an Hononary Doctorate Degree.