Louisiana State University Laboratory School and in-service teachers and to serve as a demonstration and educational research center. Since the school is part of the LSU system, students are required to pay tuition. The school is located on the main campus of Louisiana State University in Baton Rouge, a center for the petrochemical industry and a major deep-water port. Baton Rouge is the capital of Louisiana with a population of over 600,000. Louisiana State University Laboratory School Louisiana State University Laboratory School (U-High) is a laboratory school under Louisiana State University and is one of two laboratory schools in Baton Rouge. The other is Southern
Louisiana State Capitol and the remaining territory east of the Mississippi was turned over to Great Britain. The French reclaimed Louisiana from the Spanish in 1803 after the Treaty of San Ildefonso in 1800; the territory was then sold as the Louisiana Purchase to the United States. The ceremonial transfers of Louisiana from Spain to France took place in front of the colonial seat of government, the Cabildo, in November 1803, with the transfer from France to the U.S. occurring there, as well, less than a month later. New Orleans continued to be the location of the capital of the Territory of Orleans,