In our class we discussed how K-12 schools are geographic monopolies. Houses that are located within the K-12 districts must send their kids to that public school. Why are charter schools such a threat to these local K-12 geographic monopolies? Multiple Choice Charter schools offer kids and their parents an alternative choice. Charter schools by their nature are a competitive entity because they must make themselves look and perform better versus the standard K- 12 school monopoly structure. Charter schools do not need to follow the rigid one-size-fits-all learning models set by the State of California, so they can be more innovative in their approach to teaching and learning. All of the above options are correct