Plummer began her collegiate coaching career with a two-year stint as an assistant at Webster, where she helped lead the Gorloks to the championship game of the 2013 St. Louis Intercollegiate Athletic Conference tournament. She also coached one year in St. Louis’ Normandy school district and one summer with the Kingdom Hoops Academy AAU team in Ankeny, Iowa.

Following her graduation from Cardinal Ritter College Prep in St. Louis, Plummer was a four-year letter winner at Drake University. She was a Missouri Valley Conference All-Freshman selection in 2006, an All-Conference performer in 2009 (first team) and 2010 (second team), and a Bulldogs captain as a junior and senior.

Plummer is a 2010 graduate of Drake with a bachelor’s degree in business administration. She is pursuing a master’s degree in education at Greenville College.