Ivy League Group Agreement to all intercollegiate sports, effective with the 1955–56 basketball season. This is generally reckoned as the formal formation of the Ivy League. As part of the transition, Brown, the only Ivy that hadn't joined the EIBL, did so for the 1954–55 season. A year later, the Ivy League absorbed the EIBL. The Ivy League claims the EIBL's history as its own. Through the EIBL, it is the oldest basketball conference in Division I. As late as the 1960s many of the Ivy League universities' undergraduate programs remained open only to men, with Cornell the only one to have
Black Ivy League agreement as to which schools are included in the "Black Ivy League", and sources list different possible members. The 1984 book "Blacks in Colleges" by Dr. Jacqueline Fleming, states that "... schools that make up the 'Black Ivy league' [include] Fisk, Morehouse, Spelman, Dillard, Howard, Clark Atlanta, Hampton, Tuskegee." Fleming further notes that, "[t]he presence of Black Ivy League colleges pull the best and most privileged black students... [A]ll seven are unique schools, with little overlap among them." Bill Maxwell, in a 2003 series on Historically Black Colleges and Universities (HBCUs), coincides with Fleming in describing the Black Ivy League