Private School Review - Established 2003
St. Mary's Catholic School Top 3 · Oldest Founding Date (WY)
Mountain Road Christian Academy Top 6 · Oldest Founding Date (WY)
Holy Spirit Catholic School Top 5 · Highest % Students of Color (WY)

Oldest Private Elementary Schools in Wyoming

The average private elementary school in Wyoming was founded around 1965 (2026-27).
The oldest private elementary school in Wyoming is St. Mary's Catholic School, founded in 1884.

Quick Facts (2026-27)

  • # WY Schools Ranked: 21
  • Top 20 Range (Year Founded): 1884–2007
  • WY School Avg.: 1965
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # WY Schools Ranked: 21
  • Top 20 Range (Year Founded): 1884–2007
  • WY School Avg.: 1965
  • National School Avg.: 1967
Show school map — Wyoming (year founded range: 1884–2007, avg 1965)
Year Founded Range: 1884 2011 Avg. Year Founded: 1965

Oldest Private Elementary Schools in Wyoming (2026-27)

Showing 21 schools
St. Mary's Catholic School Photo
#1St. Mary's Catholic School
Gr: PK-6 | 152 students
Sports: 6 | Extracurriculars: 10
Catholic
2200 Oneil Ave
Cheyenne, WY 82001
(307) 638-9268
(3)
1884year founded
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Map of Trinity Lutheran School
#2Trinity Lutheran School
Gr: PK-8 | 81 students
Avg. class size: 13 students
Alternative School (Lutheran Church Missouri Synod)
1111 E 22nd St
Cheyenne, WY 82001
(307) 635-2802
(1)
1892year founded
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Map of Colter High School
#3Colter High School
Gr: 8-12 | 59 students
All-boys | Alternative School
1550 Us Highway 20 S
Worland, WY 82401
(307) 347-6144
1905year founded
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Map of Holy Name Catholic School
#4Holy Name Catholic School
Gr: PK-5 | 69 students
Avg. class size: 8 students
Specialized Curriculum (Catholic)
121 S Connor St
Sheridan, WY 82801
(307) 672-2021
1914year founded
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Map of St. Anthony Tri-parish Catholic School
#5St. Anthony Tri-parish Catholic School
Gr: PK-8 | 270 students
Sports: 3
Catholic
1145 W. 20th St.
Casper, WY 82604
(307) 234-2873
(2)
1927year founded
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Mountain Road Christian Academy Photo
#6Mountain Road Christian Academy
Gr: K-7 | 15 students
Seventh Day Adventist
2657 Casper Mountain Rd
Casper, WY 82601
(307) 235-2859
1930year founded
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Holy Spirit Catholic School Photo
#7Holy Spirit Catholic School
Gr: PK-6 | 100 students
Extracurriculars: 1
Catholic
210 A St
Rock Springs, WY 82901
(307) 362-6077
1951year founded
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Laura E Mason Christian Academy Photo
#8Laura E Mason Christian Academy
Gr: PK-8 | 6 students
Avg. class size: 15 students
Seventh Day Adventist
723 Storey Blvd
Cheyenne, WY 82009
(307) 638-2457
(4)
1952year founded
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Map of SonShine Academy
#9SonShine Academy
Gr: 1-8 | 9 students
Avg. class size: 10 students
Seventh Day Adventist
660 S 17th St
Worland, WY 82401
(307) 347-7858
1969year founded
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Map of Paradise Valley Christian School
#10Paradise Valley Christian School
Gr: PK-8 | 94 students
Church of Christ
3041 Paradise Dr
Casper, WY 82604
(307) 234-2450
(1)
1978year founded
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Map of Smart-Start Montessori Academy
#11Smart-Start Montessori Academy
Gr: PK-2 | 63 students
Avg. class size: 30 students
Montessori School
1014 N 8th St W
Riverton, WY 82501
(307) 856-7633
1980year founded
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Map of Jackson Hole Christian Academy
#12Jackson Hole Christian Academy
Gr: K-12 | 9 students
Avg. class size: 4 students
Christian
1450 S Park Loop Rd
Jackson, WY 83001
(307) 733-1941
1985year founded
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Trinity Lutheran Classical School Photo
#13Trinity Lutheran Classical School
Gr: PK-9 | 29 students
Avg. class size: 10 students
Sports: 3 | Extracurriculars: 1
Lutheran Church Missouri Synod
419 E Park Ave
Riverton, WY 82501
(307) 857-5710
1991year founded
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Green River Christian Academy Photo
#14Green River Christian Academy
Gr: K-6 | 19 students
Avg. class size: 8 students
Baptist
800 Homestead Dr
Green River, WY 82935
(307) 875-4405
1995year founded
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Mount Hope Lutheran School Photo
#15Mount Hope Lutheran School
Gr: K-12 | 57 students
Avg. class size: 10 students
Lutheran Church Missouri Synod
2300 S Hickory St
Casper, WY 82604
(307) 234-6865
(1)
1996year founded
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Destiny Christian Academy Photo
#16Destiny Christian Academy
Gr: K-12 | 67 students
Avg. class size: 15 students
Extracurriculars: 5
Baptist
215 E 8th St
Cheyenne, WY 82007
(307) 635-3759
1998year founded
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Mountain Academy Of Teton Science Schools Photo
#17(T17–T18)Mountain Academy Of Teton Science Schools
Gr: NS-8 | 174 students
Sports: 25 | Extracurriculars: 2
Specialized Curriculum
700 Coyote Canyon Rd.
Jackson, WY 83001
(307) 732-7775
2001year founded
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Map of Youth Emergency Services
#17(T17–T18)Youth Emergency Services
Gr: 7-12 | 43 students
Avg. class size: 15 students
Alternative School
905 N Gurley Ave
Gillette, WY 82716
(307) 686-0669
2001year founded
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Martin Luther Grammar School Photo
#19Martin Luther Grammar School
Gr: K-6 | 17 students
Alternative School (Lutheran Church Missouri Synod)
1300 W 5th St
Sheridan, WY 82801
(307) 674-6434
2003year founded
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Map of John Paul II Catholic School
#20John Paul II Catholic School
Gr: NS-6 | 194 students
Avg. class size: 14 students
Catholic
1000 Butler Spaeth Rd
Gillette, WY 82716
(307) 686-4114
2007year founded
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Jackson Hole Classical Academy Photo
#21Jackson Hole Classical Academy
Gr: K-12 | 112 students
Avg. class size: 10 students
Sports: 2 | Extracurriculars: 15
Christian
2500 South Park Loop Road
Jackson, WY 83001
(307) 201-5040
2011year founded
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Frequently Asked Questions

What is the Wyoming average private elementary schools founding year?
The Wyoming average private elementary schools founding year is 1965 for 2026-27.
What are the private elementary schools with oldest founding year in Wyoming?
The top ranked private elementary schools in Wyoming include St. Mary's Catholic School, Trinity Lutheran School and Colter High School.

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