EDFacts Charter Schools 2017-18 (EDFacts CHRTR:2017-18) is one of 17 “topics"identified in the EDFacts documentation (in this database, each “topic" is entered as a separate study). EDFacts CHRTR:2017-18 (ed.gov/about/inits/ed/edfacts) annually collects cross-sectional data from states about the status of charter school as an LEA for purposes of federal programs at school, LEA, and state levels. EDFacts CHRTR:2017-18 data were collected using the EDFacts Submission System (ESS), a centralized portal and their submission by states is mandatory and required for benefits. Not submitting the required reports by a state constitutes a failure to comply with law and may have consequences for federal funding to the state. Key statistics produced from EDFacts CHRTR:2017-18 are from 2 data groups with information on Charter-School status and Charter-School LEA status. For the purposes of this system, data groups are referred to as variables, as a result of the structure and format of EDFacts' data.