Private Schools in Lake Saint Louis, Missouri

Westminster Christian Academy is a highly-regarded independent Christian school serving the greater St. Louis metropolitan area, including Lake Saint Louis families. The school offers a rigorous college preparatory curriculum with 24 Advanced Placement courses and maintains a 100% college acceptance rate. Facilities include state-of-the-art science labs, performing arts center, and extensive athletic complexes. The school emphasizes character development alongside academic excellence, with small class sizes and dedicated faculty holding advanced degrees. Extracurricular offerings include competitive athletics, robotics, debate, and extensive fine arts programs.

The Principia School is a prestigious independent day school serving students from preschool through high school, drawing families from throughout the St. Louis region including Lake Saint Louis. The school offers the International Baccalaureate Diploma Programme alongside a comprehensive college preparatory curriculum. The 360-acre campus features modern academic buildings, extensive athletic facilities, and outdoor education areas. Principia emphasizes whole-student development with outstanding arts programs, competitive athletics, and global education opportunities. The school maintains small class sizes with a student-teacher ratio of 8:1 and boasts a 100% college acceptance rate.

Lutheran High School St. Charles County serves the broader St. Charles County area, including Lake Saint Louis, with a comprehensive Christian college preparatory education. The school features a robust STEM Academy, extensive Advanced Placement offerings, and dual credit opportunities with local colleges. Campus facilities include modern science laboratories, technology-enhanced classrooms, performing arts spaces, and competitive athletic facilities. The school maintains a strong focus on character development and community service while providing personalized college counseling. Extracurricular programs include championship athletic teams, award-winning fine arts, and numerous student organizations.