challenge: What is the primary difference between an education management organization (EMO) and a charter management organization (CMO)?
  
  A. EMOs are solely focused on high school management, while CMOs manage all grade levels
  B. EMOs are government-funded, while CMOs rely on private funding
  C. EMOs focus on managing public schools, while CMOs focus on managing private schools
  D. EMOs are for-profit, while CMOs are non-profit
  Answer: 