Brittney Thompson was born and raised in Ferris, Texas. She lived in the same small town from her birth until she graduated from high school. Brittney began her career in the legal field in 2002 as a paralegal. After ten years of being a paralegal, Brittney started her journey to becoming a lawyer. She attended the University of Texas at Dallas, graduating with a degree in Sociology and Psychology. Brittney then attended the UNT Dallas College of Law, where she attended the part-time program while continuing to work full-time as a paralegal. Brittney graduated from law school in January 2020.