Prior to Arkansas
Bollinger was a four-year starter for Rockwood Summit High School. She was a four-time All-Suburban South Conference selection, earning first-team accolades on three occasions. As a six-rotation player for the Falcons, Bollinger finished her career with a school-record 1,105 kills, 802 digs and 183 service aces. During her career, Rockwood Summit was a four-time champion of the Rolla Tournament. Bollinger played club for High Performance, and in 2009 and 2011, her team won the Gateway Regional championship. She also helped the team finish fifth at the 2011 AAU Girls Junior National Championships and 2011 Big South National Qualifier. In 2009 and 2010, Bollinger was chosen to participate in the USA Volleyball High Performance Select A3 Program.

Personal
Born Feb. 26, 1994, she is the youngest of four children to Michael and Vickie Bollinger of St. Louis, Mo. Monica has three older sisters, Jessica, Sarah and Rebecca. While at Arkansas, she plans to major in general business and marketing.