Lacassine High School serves students in pre-kindergarten through grade 12. The school offers classes in math, science, social studies and English. Its curriculum also focuses on financial math, agriscience, physical education, and family and consumer science. Lacassine High School offers Title I and special education programs. The school additionally provides a range of athletic activities, such as basketball, cheerleading, tennis, cross-country, and track and field. It offers membership options for various clubs, including the Family Career and Community Leaders of America (FCCLA), Future Business Leaders of America (FBLA) and Future Farmers of America (FFA). In addition, Lacassine High School provides counseling programs for students. The school maintains a parent-teacher organization. It is governed by the Jefferson Davis Parish School System.