• Academy of the Sacred Heart
• Bible Baptist Christian School
• Duchesne High School
• Early Childhood Family Education Center
• Francis Howell Central High School
• Francis Howell High School
• Francis Howell North High School
• Francis Howell Union High School
• Henderson Junior High School
• Heritage Landing School
• Hollenbeck Junior High School
• Immanuel Lutheran School
• Lewis & Clark Vo-Tech
• Lindenwood University
• Orchard Farm High School
• Sacred Heart Academy
• SS. Elizabeth Seton-Robert School
• SS. Joachim & Ann School
• St. Charles Borromeo School
• St. Charles Christian High School
• St. Charles County Fire Academy
• St. Charles County Police Academy
• St. Charles High School
• St. Charles Junior High School
• St. Charles West High School
• St. Cletus School
• St. Joseph School
• St. Peter School
• St. Peter's High School
• Trinity Lutheran School
• Zion Lutheran School