Private School Review - Established 2003
St. Louis University High School Top 3 · Oldest Founding Date (MO)
Living Water Academy
Academy Of Saint Louis

Oldest Private High Schools in Missouri

The average private high school in Missouri was founded around 1960 (2026-27).
The oldest private high school in Missouri is St. Louis University High School, founded in 1818.

Quick Facts (2026-27)

  • # MO Schools Ranked: 162
  • Top 20 Range (Year Founded): 1818–1901
  • MO School Avg.: 1960
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # MO Schools Ranked: 162
  • Top 20 Range (Year Founded): 1818–1901
  • MO School Avg.: 1960
  • National School Avg.: 1967
Show school map — Missouri (year founded range: 1818–1901, avg 1960)
Year Founded Range: 1818 1923 Avg. Year Founded: 1885

Oldest Private High Schools in Missouri (2026-27)

Showing 162 schools
St. Louis University High School Photo
#1 St. Louis University High School
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)
1818year founded
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Map of Cedar Falls School
#2Cedar Falls School
Gr: 10 | 4 students
Alternative School
19481 State Highway B
Canton, MO 63435
(573) 406-2505
(3)
1830year founded
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Visitation Academy Of St. Louis Photo
#3Visitation Academy Of St. Louis
Gr: PK-12 | 615 students
Avg. class size: 14 students
Sports: 12 | Extracurriculars: 32
All-girls (Catholic)
3020 North Ballas Road
Saint Louis, MO 63131
(314) 625-9100
1833year founded
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Map of St. Joseph's Academy
#4 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
1840year founded
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Ursuline Academy Photo
#5 Ursuline Academy
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)
1848year founded
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Christian Brothers College High School Photo
#6(T6–T7)Christian Brothers College High School
Gr: 9-12 | 849 students
Avg. class size: 18 students
Sports: 19
All-boys (Catholic)
1850 De La Salle Dr
Saint Louis, MO 63141
(314) 985-6095
1850year founded
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Map of Marygrove Services, Inc.
#6(T6–T7)Marygrove Services, Inc.
Gr: 5-11 | 2 students
Special Education School
2705 Mullanphy Ln
Florissant, MO 63031
(314) 830-6203
1850year founded
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Map of Ech School At Every Childs Hope
#8Ech 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
1858year founded
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MICDS (Mary Institute and St. Louis Country Day School) Photo
#9MICDS (Mary Institute and St. Louis Country Day School)
Gr: PK-12 | 1,236 students
Avg. class size: 16 students
Sports: 20 | Extracurriculars: 3
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
(3)
1859year founded
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Map of Epworth School
#10Epworth School
Gr: K-12 | 70 students
Avg. class size: 10 students
Christian
110 N Elm Ave
Saint Louis, MO 63119
(314) 918-3316
(1)
1864year founded
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Map of St. Teresa's Academy
#11St. Teresa's Academy
Gr: 9-12 | 607 students
Avg. class size: 12 students
All-girls (Catholic)
5600 Main St
Kansas City, MO 64113
(816) 501-0036
1866year founded
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Map of Sacred Heart Elementary & High School
#12Sacred Heart Elementary & High School
Gr: K-12 | 329 students
Catholic
416 W 3rd St
Sedalia, MO 65301
(660) 827-3800
1882year founded
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St. Paul Lutheran High School Photo
#13St. Paul Lutheran High School
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)
1883year founded
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Map of Barstow School
#14(T14–T15)Barstow School
Gr: NS-12 | 614 students
Avg. class size: 15 students
11511 State Line Rd
Kansas City, MO 64114
(816) 942-4054
(1)
1884year founded
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Map of The Barstow School
#14(T14–T15)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)
1884year founded
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Map of Mcauley Catholic High School
#16Mcauley Catholic High School
Gr: 9-12 | 71 students
Catholic
930 S Pearl Ave
Joplin, MO 64801
(417) 624-9320
1885year founded
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Missouri Military Academy Photo
#17Missouri Military Academy
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)
1889year founded
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Map of St. Vincent De Paul Junior/Senior Schools
#18St. Vincent De Paul Junior/Senior Schools
Gr: PK-12 | 433 students
Catholic
210 S Waters St
Perryville, MO 63775
(573) 547-4300
1896year founded
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Principia School Photo
#19Principia School
Gr: PK-12 | 477 students
Avg. class size: 14 students
Sports: 14 | Extracurriculars: 13
13201 Clayton Rd
Saint Louis, MO 63131
(314) 434-2100
1898year founded
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Map of St. Francis Borgia High School
#20St. 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
1901year founded
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Map of Lake West Christian Academy
#21(T21–T24)Lake West Christian Academy
Gr: PK-12 | 63 students
Avg. class size: 15 students
Christian
17178 N State Highway 5
Sunrise Beach, MO 65079
(573) 374-1500
1905year founded
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Map of Meramec Valley Christian School
#21(T21–T24)Meramec Valley Christian School
Gr: PK-11 | 43 students
Baptist
Po Box 566
Sullivan, MO 63080
(559) 696-7374
1905year founded
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Map of Ozark Christian Academy
#21(T21–T24)Ozark Christian Academy
Gr: PK-12 | 32 students
Assembly of God
906 N Summit St
Neosho, MO 64850
(417) 451-1100
1905year founded
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Map of Springfield Seventh-day Adventist Junior Academy
#21(T21–T24)Springfield Seventh-day Adventist Junior Academy
Gr: K-9 | 16 students
Avg. class size: 15 students
Extracurriculars: 2
Seventh Day Adventist
704 S Belview Ave
Springfield, MO 65802
(417) 862-0833
1905year founded
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Map of Greenwood Laboratory School
#25Greenwood 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)
1908year founded
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Chaminade College Prep School Photo
#26(T26–T29) Chaminade College Prep School
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
1910year founded
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Map of Chaminade College Preparatory School
#26(T26–T29)Chaminade College Preparatory School
Gr: 6-12 | 832 students
All-boys (Catholic)
425 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
1910year founded
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Pembroke Hill School Photo
#26(T26–T29)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
1910year founded
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Rockhurst High School Photo
#26(T26–T29)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
1910year founded
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Rosati-kain High School Photo
#30Rosati-kain High School
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)
1911year founded
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Notre Dame de Sion High School Photo
#31Notre Dame de Sion High School
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)
1912year founded
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Map of Mizzou K 12 Online/mu High School
#32Mizzou K 12 Online/mu High School
Gr: 6-12 | 6,961 students
136 Clark Hall
Columbia, MO 65211
(573) 884-9173
1913year founded
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Map of Mt. Zion Bible School
#33Mt. Zion Bible School
Gr: PK-10 | 37 students
Christian
Rr 1 Box 48
Ava, MO 65608
(417) 683-4600
(1)
1914year founded
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Map of Springfield Catholic High School
#34Springfield Catholic High School
Gr: 9-12 | 380 students
Avg. class size: 20 students
Catholic
2340 S Eastgate Ave
Springfield, MO 65809
(417) 887-8817
1916year founded
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John Burroughs School Photo
#35John Burroughs School
Gr: 7-12 | 664 students
Avg. class size: 13 students
Sports: 19
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
1923year founded
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Show 100 more private schools in Missouri (out of 162 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 1960 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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