About: http://webisa.webdatacommons.org/323528202

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Since Minnesota passed the first charter-school law in 1991, forty-two states, including the District of Columbia, have passed similar legislation, and thirty-seven of these have operating charter schools (WestEd 2003, 1).
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com