For the 2026 school year, there are 18 private high schools belonging to Independent Schools Association of the Central States (ISACS) serving 7,884 students in Missouri. You can also find more schools membership associations in Missouri.
The top-ranked private high schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri include MICDS (Mary Institute and St. Louis Country Day School), Pembroke Hill School, and Thomas Jefferson School.
The average tuition cost is $26,963, which is higher than the Missouri private high school average tuition cost of $14,821.
Top-Ranked Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) in Missouri (2026)
School
Location
Quick Facts
Chaminade College Prep School![Chaminade College Prep School Photo - 2015 Senior House Captains]( "Chaminade College Prep School Photo - 2015 Senior House Captains")
All-boys (Catholic)
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Saint Louis, MO 63131
(314) 993-4400
Gr: 6-12 | 851 students Avg. class size: 17 students Sports: 19 | Extracurrculars: 29 Tuition & acceptance rate listed
1801 N Stadium Blvd
Columbia, MO 65202
(573) 777-9250
Columbia, MO 65202
(573) 777-9250
Gr: PK-12 | 476 students Avg. class size: 16 students Sports: 9 | Extracurrculars: 24 Tuition listed
MAP St. Louis
Montessori School
3840 Washington Blvd.
Saint Louis, MO 63108
(314) 391-2994
Saint Louis, MO 63108
(314) 391-2994
Gr: 7-12 Avg. class size: 8 students Tuition & acceptance rate listed
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
Saint Louis, MO 63124
(314) 995-7367
Gr: PK-12 | 1,236 student Avg. class size: 16 students Sports: 20 | Extracurrculars: 3 Tuition & acceptance rate listed
Miriam School and Learning Center
Special Education School
1138 N. Warson Road
Saint Louis, MO 63132
(314) 962-6059
Saint Louis, MO 63132
(314) 962-6059
Gr: K-12 | 161 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 7 Tuition listed
204 N Grand St
Mexico, MO 65265
(573) 581-1776
Mexico, MO 65265
(573) 581-1776
Gr: 7-12 | 193 students Avg. class size: 14 students Sports: 15 | Extracurrculars: 25 Tuition & acceptance rate listed
10631 Wornall Road
Kansas City, MO 64114
(816) 942-3282
Kansas City, MO 64114
(816) 942-3282
Gr: 9-12 | 311 students Avg. class size: 16 students Sports: 15 | Extracurrculars: 18 Tuition & acceptance rate listed
400 W 51st St
Kansas City, MO 64112
(816) 936-1200
Kansas City, MO 64112
(816) 936-1200
Gr: NS-12 | 1,181 student Avg. class size: 16 students Sports: 17 | Extracurrculars: 60 Tuition & acceptance rate listed
202 E. Walnut Lawn St.
Springfield, MO 65807
(417) 869-8077
Springfield, MO 65807
(417) 869-8077
Gr: PK-12 | 205 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 23 Tuition listed
3401 Newman Rd
Joplin, MO 64801
(417) 781-5124
Joplin, MO 64801
(417) 781-5124
Gr: PK-12 | 312 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 13 Tuition listed
4100 S Lindbergh Boulevard
Saint Louis, MO 63127
(314) 843-4151
Saint Louis, MO 63127
(314) 843-4151
Gr: 7-12 | 75 students Avg. class size: 14 students Sports: 4 | Extracurrculars: 34 Tuition & acceptance rate listed
Villa Duchesne School![Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)]( "Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)")
All-girls (Catholic)
10801 Conway Road
Saint Louis, MO 63131
(314) 432-2021
Saint Louis, MO 63131
(314) 432-2021
Gr: PK-12 | 584 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 30 Tuition & acceptance rate listed
Visitation Academy Of St. Louis![Visitation Academy Of St. Louis Photo]( "Visitation Academy Of St. Louis Photo")
All-girls (Catholic)
3020 North Ballas Road
Saint Louis, MO 63131
(314) 625-9100
Saint Louis, MO 63131
(314) 625-9100
Gr: PK-12 | 619 students Avg. class size: 14 students Sports: 12 | Extracurrculars: 32 Tuition listed
Westminster Christian Academy![Westminster Christian Academy Photo]( "Westminster Christian Academy Photo")
(Christian)
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Chesterfield, MO 63017
(314) 997-2900
Gr: 7-12 | 970 students Avg. class size: 16 students Sports: 20 | Extracurrculars: 25 Tuition & acceptance rate listed
175 S Mason Rd
Saint Louis, MO 63141
(314) 434-5141
Saint Louis, MO 63141
(314) 434-5141
Gr: 6-12 | 404 students Avg. class size: 14 students Sports: 17 | Extracurrculars: 30 Tuition listed
1100 White Road
Chesterfield, MO 63017
(314) 469-6622
Chesterfield, MO 63017
(314) 469-6622
Gr: NS-12 | 127 students Avg. class size: 10 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate listed
Great Circle Edgewood Children's Center
Special Education School
330 N. Gore
Saint Louis, MO 63119
(314) 399-4393
Saint Louis, MO 63119
(314) 399-4393
Gr: 1-12 | 66 students Tuition listed
Logos School
Special Education School
9137 Old Bonhomme Rd
Saint Louis, MO 63132
(314) 997-7002
Saint Louis, MO 63132
(314) 997-7002
Gr: 6-12 | 113 students Tuition & acceptance rate listed
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