Sources
- The North Carolina Department of Public Instruction http://www.ncpublicschools.org/accountability/reporting/leaperformancearchive
- Data Source Spreadsheet https://docs.google.com/spreadsheets/d/1_E6oD3N3C4v-P-z8ZQPCfd_J-WPqUIWwL1JB9Gn-Sww/edit#gid=417637011