|High School:||Arlington Catholic|
A 2011 graduate of Arlington Catholic High School in Arlington, Mass., Fistori was a three-year letter winner in lacrosse and also lettered in soccer and track. She was a league All-Star selection all three years and was a team captain her senior season. Fistori was coached by Jessica Nassar.
Rachel Marie Fistori is the daughter of Tim and Carol Fistori. Her father Tim wrestled and played lacrosse at Boston State (now UMass Boston) and played under current Plymouth State men's lacrosse coach Gordon Webb. Fistori has one brother (Timothy).