About: http://webisa.webdatacommons.org/296173067

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	For most schools you are correct with score being valid for three years, which may have been what the poster meant.
http://www.w3.org/ns/prov#wasQuotedFrom	studentdoctor.net