Chalmette High School is a high school in the Chalmette area of unincorporated St. Bernard Parish, Louisiana, United States. It is a part of St. Bernard Parish Public Schools. Chalmette High School opened in 1954 at the current site of Chalmette Elementary School, previously known as Chalmette Middle School. In 1961, the school moved to the current location on the corner of Palmisano Avenue and Judge Perez Drive. On August 29, 2005, Hurricane Katrina flooded the school, which was being used as an emergency shelter, along with the rest of the Greater New Orleans area. Chalmette High hosted the St. Bernard Unified School, before reopening as Chalmette High School for the 2006-2007 school year. In 2009, U.S.