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
Ivy League in 2006). The Ivy League teams are eligible for the FCS tournament held to determine the national champion, and the league champion is eligible for an automatic bid (and any other team may qualify for an at-large selection) from the NCAA. However, the Ivy League has not played any postseason games at all since 1956 due to the league's concerns about the extended December schedule's effects on academics. For this reason, any Ivy League team invited to the FCS playoffs turns down the bid. The Ivy League plays a strict 10-game schedule, compared to other FCS members' schedules of 11