Cassandra began coaching three years ago after graduating Indiana State University where she was a four-year letter winner for the Sycamores. During her time at Indiana State, Schreiber was named to the MVC Scholar-Athlete Honorable Mention team in 2015. Formerly Cassandra Willis, the middle blocker finished her career at the top of a variety of Sycamore career records, including the second-best hitting percentage in school history (.311), third in program records in blocks solo (111), fourth in the record books in total blocks (374), and sixth in block assists (242). In her senior year campaign in 2015, Schreiber led ISU with 36 solo blocks (good for eighth in a single season in school history), and 98 block assists (good for fourth in a single season in school history), as well as set a new career-high with 10 blocks (four solo, six assisted) in a five-set win at Kent State.

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The Lawton, Mich. native was also named the 2015 Holiday Inn Classic Tournament Co-MVP, as well as earned a spot on the 2014 MVC All-Tournament Team. Along with her efforts on the volleyball court, Schreiber also served as an Athletic Mentor, where she helped teach successful habits to succeed as a student-athlete.

Along with her collegiate playing career, Schreiber spent a summer on the Thailand Volleyball Tour with Athletes in Action. Throughout her tour, she traveled with a team of Division I student-athletes to run training camps as well as play against Thai volleyball teams.

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Her coaching experience includes being a volunteer assistant at Rollins College in 2019. Two years at Five Star VBC where she coached multiple teams, camps ands clinics. One year at Foundation Academy coaching indoor and beach at the middle and high school level. Current Varsity coach at Real Life Christian Academy in Clermont. 

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Cassandras pre-collegiate career started at Lawton High School in Michigan, and with the Dead Frogs Volleyball Club.