Corporation (1974–80) Jim O'Toole (class of 1955), Major League Baseball pitcher, starter for National League in 1963 All-Star Game Stan Patrick (class of 1940), professional basketball player William J. Walker, Major General United States Army, commanding general, District of Columbia National Guard (class of 1975) Chris Watson (class of 1995), NFL defensive back (1999–2003) References External links Leo High School GreatSchools, Inc Catholic schools in Chicago Catholic secondary schools in Illinois Educational institutions established in 1926 Boys' schools in the United States Private high schools in Chicago 1926 establishments in Illinois Congregation of Christian Brothers secondary schools African-American Roman Catholic schools