Oldest Private High Schools in Missouri

The average private high school in Missouri was founded around 1962 (2026-27).
The oldest private high school in Missouri is St. Louis University High School, founded in 1818.

Quick Facts (26-27)

  • # MO Schools Ranked: 151
  • Top 20 Range (Year Founded): 1818–1901
  • MO School Avg.: 1961
  • National School Avg.: 1967

Quick Facts (26-27)

  • # MO Schools Ranked: 151
  • Top 20 Range (Year Founded): 1818–1901
  • MO School Avg.: 1961
  • National School Avg.: 1967
Show school map — Missouri (year founded range: 1818–1901, avg 1961)
Year Founded Range: 1818 1929 Avg. Year Founded: 1889

Oldest Private High Schools in Missouri (2026-27)

St. Louis University High School Photo
Gr: 9-12 | 1,000 students
Avg. class size: 250 students
Sports: 21 | Extracurriculars: 109
All-boys (Catholic)
4970 Oakland Ave
Saint Louis, MO 63110
(314) 531-0330
(1)
Map of Cedar Falls School
Gr: 10 | 4 students
Alternative School
19481 State Highway B
Canton, MO 63435
(573) 406-2505
(3)
Visitation Academy Of St. Louis Photo
Gr: PK-12 | 615 students
Avg. class size: 14 students
Sports: 12 | Extracurriculars: 47
All-girls (Catholic)
3020 North Ballas Road
Saint Louis, MO 63131
(314) 625-9100
Map of St. Joseph's Academy
Gr: 9-12 | 529 students
Avg. class size: 10 students
Sports: 12
All-girls (Catholic)
2307 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 394-4333
Ursuline Academy Photo
Gr: 9-12 | 420 students
Avg. class size: 20 students
Sports: 15
All-girls (Catholic)
341 S Sappington Road
Saint Louis, MO 63122
(314) 984-2800
(1)
Christian Brothers College High School Photo
Gr: 9-12 | 833 students
Avg. class size: 20 students
Sports: 20 | Extracurriculars: 1
All-boys (Catholic)
1850 De La Salle Dr
Saint Louis, MO 63141
(314) 985-6095
Map of Ech School At Every Childs Hope
Gr: 2-12 | 46 students
Avg. class size: 10 students
Alternative School
8240 Saint Charles Rock Rd
Saint Louis, MO 63114
(314) 593-2999
MICDS (Mary Institute and St. Louis Country Day School) Photo
Gr: PK-12 | 1,242 students
Avg. class size: 16 students
Sports: 20 | Extracurriculars: 3
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
(3)
Map of Epworth School
Gr: K-12 | 70 students
Avg. class size: 10 students
Christian
110 N Elm Ave
Saint Louis, MO 63119
(314) 918-3316
(1)
Map of St. Teresa's Academy
Gr: 9-12 | 607 students
All-girls (Catholic)
5600 Main St
Kansas City, MO 64113
(816) 501-0036
Map of Sacred Heart Elementary & High School
Gr: K-12 | 329 students
Catholic
416 W 3rd St
Sedalia, MO 65301
(660) 827-3800
St. Paul Lutheran High School Photo
Gr: 9-12 | 193 students
Avg. class size: 15 students
Sports: 10 | Extracurriculars: 16
Lutheran Church Missouri Synod
205 S. Main Street
Concordia, MO 64020
(660) 463-2238
(1)
Map of Barstow School
#13(T13–T14)Barstow School
Gr: NS-12 | 614 students
Avg. class size: 15 students
11511 State Line Rd
Kansas City, MO 64114
(816) 942-4054
(1)
Map of The Barstow School
#13(T13–T14)The Barstow School
Gr: K-12 | 861 students
Avg. class size: 10 students
Sports: 11
Specialized Curriculum (Catholic)
11511 State Line
Kansas City, MO 64114
(816) 277-0365
(1)
Map of Mcauley Catholic High School
Gr: 9-12 | 71 students
Catholic
930 S Pearl Ave
Joplin, MO 64801
(417) 624-9320
Map of Emerson Academy Therapeutic School
Gr: 1-12 | 52 students
Special Education School
4245 Kennerly Ave
Saint Louis, MO 63113
(314) 531-1907
Missouri Military Academy Photo
Gr: 7-12 | 193 students
Avg. class size: 14 students
Sports: 15 | Extracurriculars: 25
All-boys
204 N Grand St
Mexico, MO 65265
(573) 581-1776
(1)
Map of St. Vincent De Paul Junior/Senior Schools
Gr: PK-12 | 433 students
Catholic
210 S Waters St
Perryville, MO 63775
(573) 547-4300
Principia School Photo
Gr: PK-12 | 477 students
Avg. class size: 14 students
Sports: 14 | Extracurriculars: 13
13201 Clayton Rd
Saint Louis, MO 63131
(314) 434-2100
Map of St. Francis Borgia High School
Gr: 9-12 | 427 students
Avg. class size: 20 students
Sports: 11
Catholic
1000 Borgia Dr
Washington, MO 63090
(636) 239-7871
Map of Greenwood Laboratory School
Gr: K-12 | 399 students
Avg. class size: 22 students
Sports: 9
Missouri State University, 901 S. National
Springfield, MO 65897
(417) 836-5124
(3)
Chaminade College Prep School Photo
Gr: 6-12 | 836 students
Avg. class size: 17 students
Sports: 20 | Extracurriculars: 31
All-boys (Catholic)
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Map of Chaminade College Preparatory School
Gr: 6-12 | 832 students
All-boys (Catholic)
425 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Pembroke Hill School Photo
#22(T22–T25)Pembroke Hill School
Gr: NS-12 | 1,181 students
Avg. class size: 16 students
Sports: 17 | Extracurriculars: 60
400 W 51st St
Kansas City, MO 64112
(816) 936-1200
Rockhurst High School Photo
#22(T22–T25)Rockhurst High School
Gr: 9-12 | 938 students
Avg. class size: 22 students
Sports: 14 | Extracurriculars: 22
All-boys (Catholic)
9301 State Line Rd
Kansas City, MO 64114
(816) 363-2036
Rosati-kain High School Photo
Gr: 9-12 | 249 students
Avg. class size: 16 students
Sports: 15 | Extracurriculars: 30
All-girls (Catholic)
4389 Lindell Blvd
Saint Louis, MO 63108
(314) 533-8513
(1)
Notre Dame de Sion High School Photo
Gr: 9-12 | 311 students
Avg. class size: 16 students
Sports: 15 | Extracurriculars: 18
Catholic
10631 Wornall Road
Kansas City, MO 64114
(816) 942-3282
(3)
Map of Springfield Catholic High School
Gr: 9-12 | 380 students
Avg. class size: 20 students
Catholic
2340 S Eastgate Ave
Springfield, MO 65809
(417) 887-8817
John Burroughs School Photo
Gr: 7-12 | 664 students
Avg. class size: 13 students
Sports: 19
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
Duchesne High School Photo
#30(T30–T31)Duchesne High School
Gr: 9-12 | 286 students
Avg. class size: 14 students
Sports: 17 | Extracurriculars: 19
Catholic
2550 Elm Street
Saint Charles, MO 63301
(636) 946-6767
(11)
Map of Nerinx Hall High School
Gr: 9-12 | 589 students
Avg. class size: 19 students
All-girls (Catholic)
530 E Lockwood Ave
Saint Louis, MO 63119
(314) 968-1505
Map of Notre Dame Regional High School
Gr: 9-12 | 434 students
Catholic
265 Notre Dame Dr
Cape Girardeau, MO 63701
(573) 335-6772
Map of Valle Catholic Schools
Gr: K-12 | 363 students
Catholic
49 Dubourg Place
Sainte Genevieve, MO 63670
(573) 883-7496
Map of St. Dominic High School
Gr: 9-12 | 927 students
Avg. class size: 24 students
Sports: 14 | Extracurriculars: 6
Catholic
31 Saint Dominic Dr
O Fallon, MO 63366
(636) 240-8303
Villa Duchesne School Photo
#34(T34–T35)Villa Duchesne School
Gr: PK-12 | 592 students
Avg. class size: 15 students
Sports: 11 | Extracurriculars: 30
All-girls (Catholic)
10801 Conway Road
Saint Louis, MO 63131
(314) 432-2021
Show 100 more private schools in Missouri (out of 151 total schools)
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Frequently Asked Questions

What is the Missouri average private high schools founding year?
The Missouri average private high schools founding year is 1962 for 2026-27.
What are the private high schools with oldest founding year in Missouri?
The top ranked private high schools in Missouri include St. Louis University High School, Cedar Falls School and Visitation Academy Of St. Louis.

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