Johnson was a four-year starter for Pleasant Hill (Mo.) High School where she was an all-state performer as a junior and senior, in addition to being a three-time all-region selection. Following a third-place finish in 2015, Johnson helped the Chicks to a state runner-up finish during her senior campaign with 10 digs in the Class 3A title match. Johnson played club with Performance Volleyball out of Overland Park, Kan. She also earned a letter as a member of the PHHS track and field team.
Paige is the daughter Tom and Beth Johnson, and has two older brothers, Luke and Nick. Her father was a college student-athlete, playing baseball at the University of Wisconsin-Platteville. Johnson is planning to enroll in the Walton College of Business at Arkansas.