Louisiana State University (LSU) is a public land-grant, sea-grant and space-grant research university based in Baton Rouge, Louisiana. LSU is Louisiana’s flagship public university and a land-, sea-, and space-grant research institution with a broad academic portfolio spanning engineering, business, agriculture, sciences, humanities, arts, education, coastal and environmental fields, and professional study. The institution traces its development to 1860, and its present academic identity reflects a long pattern of growth rather than a single modern expansion. The institution originated in nineteenth-century land grants and opened in 1860 near Pineville as the Louisiana State Seminary of Learning and Military Academy. It closed and reopened during the Civil War, later became Louisiana State University, moved to Baton Rouge, and developed into a comprehensive research university with statewide responsibilities. Academically, LSU supports a broad mix of undergraduate, graduate, doctoral, certificate, and interdisciplinary study. Representative undergraduate choices include Computer Science BS, Civil Engineering BS, Mechanical Engineering BS, Petroleum Engineering BS, Electrical Engineering BS, Biological Sciences BS. Graduate study includes options such as Business Administration MBA, Analytics MS, Computer Science MS, Civil Engineering MS, Architecture MArch, while doctoral education extends into fields including Computer Science PhD, Chemical Engineering PhD, Civil Engineering PhD, Petroleum Engineering PhD. Research is especially visible in coastal and environmental science, energy, petroleum engineering, computing, cybersecurity, agriculture, biological sciences, materials, disaster resilience, business, humanities, and the arts. LSU’s location and public mission connect scholarship directly to Louisiana’s coast, economy, industries, communities, and natural hazards. The Baton Rouge campus provides a large residential university environment with research laboratories, libraries, museums, athletics, student organizations, arts facilities, and access to Louisiana government, industry, healthcare, energy, and cultural institutions. For current cost planning, For 2026–27, LSU estimates annual undergraduate tuition and fees at $12,886 for Louisiana residents and $29,562 for non-Louisiana residents, based on 15 credit hours per semester; housing, meals, books, transportation, insurance, and other expenses are additional. These published amounts are planning figures and can change with residency, program, credit load, housing, insurance, or board action at Louisiana State University, where representative academic pathways at the university include Computer Science BS and Civil Engineering BS. First-year applicants use LSU’s undergraduate admissions process and submit required academic records. Program progression can involve additional standards in selected majors, while graduate, professional, and doctoral applicants follow requirements established by the Graduate School and the academic program. Career preparation benefits from LSU’s statewide and regional connections in energy, engineering, construction, technology, agriculture, finance, government, coastal industries, healthcare, education, media, and research. Taken together, Louisiana State University is best understood as an institution whose academic portfolio, research mission, student support, and regional setting are closely connected. LSU also uses certificates, accelerated pathways, online options, and other nontraditional formats to extend selected academic areas beyond the standard four-year or graduate sequence. The university’s location in Baton Rouge gives students access to the civic, research, cultural, health, business, and public-sector networks that shape its surrounding region.