Founded in 1811, St. Mary Parish occupies approximately 1,100 square miles in south central Louisiana. 

Parish cities and towns include Amelia, Baldwin, Bayou Vista, Berwick, Franklin, Morgan City, Patterson, and surrounding unincorporated areas. 

The parish's southern border is the Gulf of Mexico.

Population: 47,789 (2022 Census)

Parish Seat:  Franklin

Largest City:  Morgan City 

St. Mary Parish Schools, a public school district in rural south central Louisiana, is comprised of 21 educational facilities and 1 alternative educational facility supported by 3 administrative sites:

• The Central Office Complex in Centerville
• The Office of Special Services in Franklin 
• Materiel and Operation Center in Morgan City.