The purpose of this case study was to understand non-mastery for students in the mBolden Academic Model at Piedmont City Middle School (PCMS). The following research questions guided this study: How does the mBolden Academic Model influence student success at Piedmont City Middle School? Furthermore, this study has answered the following sub-questions: What internal factors affect student success and failure in the mBolden Academic Model? What external factors influence success for students in the mBolden? This study examined a bounded set of students at a rural school in Northeast Alabama that implemented a mastery-based, blended learning model. Data collection included documents, interviews, and focus groups. Data was analyzed and coded into categories and then into three themes: (a) Student Workload, (b) Teacher Disconnect, and (c) Content Disengagement. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]