Claim: The Sangamon Valley Conference former members are Argenta-Oreana High School and Weldon High School (coed public secondary institution located in Piatt County, Illinois) and other schools.
Evidence: Argenta-Oreana High School Weldon High School DeLand-Weldon High School is a coed public secondary institution located in Piatt County, Illinois. Wapella High School University High School Tri-Valley High School Tri-Point High School South Newton High School Saybrook-Arrowsmith High School St. Thomas More High School St. Joseph-Ogden High School Rossville-Alvin High School Ridgeview High School Paxton High School Octavia High School Milford High School Mansfield High School Mahomet-Seymour High School LeRoy High School Hoopeston Area High School Heyworth High School Gibson City-Melvin-Sibley High School Gibson City High School Forrest-Strawn-Wing High School Ford Central High School Fisher High School
 Farmer City-Mansfield High School Farmer City High School Fairbury-Cropsley High School DeLand-Weldon High School Blue Ridge High School Bellflower High School
 Armstrong High School