The cost of attending LSU is 40,000 USD, which includes tuition and the cost of living in the United States. In the United States, 92 percent of university students receive scholarships, and universities award $300 million in scholarships to students.

LSU provides students with 23 residence halls and four apartment housing options. A typical residential hall has a 24-hour desk, Wi-Fi, wired internet, cable TV, an in-room sink, a community kitchen, laundry facilities, a computer lab, a courtyard, and huge walk-in closets. They also provide residential college housing. The Office of Disabled Services provides limited disability housing alternatives at LSU. The average cost of on-campus accommodation for Louisiana residents is roughly $24,768 and $41,445 for non-Louisiana residents, including food plan.

The university currently has 30861 students enrolled. According to LSU and Agricultural & Mechanical College, there are 1,645 international students on campus. Admission to Louisiana State University—Baton Rouge is more selective, with a 73 percent acceptance rate.

LSU has a main campus in Baton Rouge and eight satellite campuses, with the main campus covering up to 1,000 acres and the entire campus covering up to 2,000 acres. There are 16 academic buildings, 15 student housing structures, two sports facilities, 27 places of attraction, and nine student life buildings at the school. LSU has more than 450 student organisations. LSU has 21 varsity sports teams, with 9 men's and 12 women's teams. The teams are also NCAA (National Collegiate Athletic Association) and Southeastern Conference members.

Louisiana State University at Alexandria is accredited by the Southern Association of Colleges and Schools Commission on Colleges to award associate and baccalaureate degrees.

Within 10 months of graduation, 91 percent of LSU law school graduates from the class of 2019 were hired. Chemical Engineering has 28 hired graduates at the College of Engineering, with the highest average pay of 81,490 USD. Mechanical Engineering had the most graduates working, with an average pay of $72,707. Louisiana State University, Ernst & Young, LLP, East Baton Rouge Parish School System, Chevron, Halliburton, Shell, ExxonMobil, and Albemarle are among the school's top employers.