The school was a part of the Jefferson Parish Public Schools system. The school primarily served the Harvey and Gretna areas of Jefferson Parish. The school's mascot was "Charlie" the Cougar (Felis concolor), and the school colors were scarlet (red) and (vegas) gold.
History
Helen Cox's namesake was the first principal of the Gretna Public High School. It was first opened in 1969. Helen Cox was once a middle school (6th-8th grade), then became a junior high school (7th-9th grade) and in 2004 Helen Cox became a high school (9th-12th grade).
^"Approved 2023 Plan". Jefferson Parish Public Schools. Retrieved 2024-03-03. Helen Cox High School Students ⇒ WILL ATTEND ⇒ John Ehret High School and West Jefferson High School