1955–56 Dartmouth 
1956–57 Yale 
1957–58 Dartmouth 
1958–59 Dartmouth, Princeton 
1959–60 Princeton 
1960–61 Princeton 
1961–62 Yale 
1962–63 Princeton, Yale 
1963–64 Princeton 
1964–65 Princeton 
1965–66 Pennsylvania 
1966–67 Princeton 
1967–68 Columbia, Princeton 
1968–69 Princeton 
1969–70 Pennsylvania 
1970–71 Pennsylvania 
1971–72 Pennsylvania 
1972–73 Pennsylvania 
1973–74 Pennsylvania 
1974–75 Pennsylvania 
1975–76 Princeton 
1976–77 Princeton 
1977–78 Pennsylvania 
1978–79 Pennsylvania 
1979–80 Pennsylvania, Princeton 
1980–81 Pennsylvania, Princeton 
1981–82 Pennsylvania 
1982–83 Princeton 
1983–84 Princeton 
1984–85 Pennsylvania 
1985–86 Brown 
1986–87 Pennsylvania 
1987–88 Cornell 
1988–89 Princeton 
1989–90 Princeton 
1990–91 Princeton 
1991–92 Princeton 
1992–93 Pennsylvania 
1993–94 Pennsylvania 
1994–95 Pennsylvania 
1995–96 Pennsylvania, Princeton 
1996–97 Princeton 
1997–98 Princeton 
1998–99 Pennsylvania 
1999–00 Pennsylvania 
2000–01 Princeton 
2001–02 Pennsylvania, Princeton, Yale 
2002–03 Pennsylvania 
2003–04 Princeton 
2004–05 Pennsylvania 
2005–06 Pennsylvania 
2006–07 Pennsylvania 
2007–08 Cornell 
2008–09 Cornell