New Orleans Catholic League

The Owls did not rejoin the Catholic League until 2007, when Chalmette became the lone high school in St. Bernard following the devastation of Hurricane Katrina in 2005, and thus had a 5A enrollment.

WLAE-TV 32 in New Orleans has produced a documentary named Glory Days, with part 1, focusing on the 1950s and 60s, airing in November 2010, and part 2 airing in September 2012, which tells the tale of the 1970s, when the Catholic League was regarded as the toughest high school sporting district in America.

Archbishop Shaw left the league after 2005, and Holy Cross, with enrollment declining since Katrina and its school nearly destroyed by the levee breaches along the Industrial Canal, moved down to 4A for 2007 and further down to 3A for 2009.

Reclassification in 2009 added Archbishop Shaw back into the Catholic League, as their enrollment increased over the 5A threshold.

Higgins, West Jefferson, Alfred Bonnabel, and Grace King, as well as public school and former Catholic League member Chalmette.

For the 2011 and 2012 football seasons, Rummel maintained its rivalry games with Holy Cross, St. Augustine and Shaw, although the Shaw-Rummel games were canceled by tropical systems, Tropical Storm Lee in 2011 and Hurricane Isaac in 2012.

When the LHSAA began its reclassification for the 2013–14 and 2014-15 school years in November 2012, Holy Cross, St. Augustine and Shaw all declared they would play up from 4A to 5A.

The LHSAA placed those three schools with Brother Martin, Jesuit and Rummel in the new District 9-5A to re-form the Catholic League.

Destrehan, East St. John and Hahnville were placed in District 7-5A with schools from the Houma-Thibodaux area: Central Lafourche, H.L.

The LHSAA placed John Curtis in the Catholic League, making it the first private non-Catholic school to become a member.

The following schools were members of a parallel 5A "Catholic League" for girls' sports in the New Orleans area.