Best private K-12 schools in the St. Louis metro area
- Location: Florissant, MO
- Enrollment: 253 (8:1 student to teacher ratio)
- Niche grade: B-
- Location: Festus, MO
- Enrollment: 114 (11:1 student to teacher ratio)
- Niche grade: B
- Location: Bridgeton, MO
- Enrollment: 207 (12:1 student to teacher ratio)
- Niche grade: B
- Location: Glen Carbon, IL
- Enrollment: 230 (18:1 student to teacher ratio)
- Niche grade: B+
- Location: O Fallon, IL
- Enrollment: 263 (14:1 student to teacher ratio)
- Niche grade: B+
- Location: Maryville, IL
- Enrollment: 534 (12:1 student to teacher ratio)
- Niche grade: B+
- Location: Alton, IL
- Enrollment: 90 (8:1 student to teacher ratio)
- Niche grade: B+
- Location: Saint Louis, MO
- Enrollment: 112 (5:1 student to teacher ratio)
- Niche grade: A-
- Location: Saint Louis, MO
- Enrollment: 163 (8:1 student to teacher ratio)
- Niche grade: A-
- Location: Saint Louis, MO
- Enrollment: 132 (8:1 student to teacher ratio)
- Niche grade: A
- Location: Chesterfield, MO
- Enrollment: 110 (6:1 student to teacher ratio)
- Niche grade: A
- Location: Belleville, IL
- Enrollment: 110 (8:1 student to teacher ratio)
- Niche grade: A+
- Location: Saint Louis, MO
- Enrollment: 497 (10:1 student to teacher ratio)
- Niche grade: A+
- Location: Saint Louis, MO
- Enrollment: 619 (8:1 student to teacher ratio)
- Niche grade: A+
- Location: Saint Louis, MO
- Enrollment: 1,250 (8:1 student to teacher ratio)
- Niche grade: A+