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²ÝÁñÉçÇø School Review - Established 2003
Challenger School - Boise Top 19 · Oldest Founding Date (ID)
Challenger School - Meridian Top 19 · Oldest Founding Date (ID)
St. Joseph's Catholic School Top 3 · Oldest Founding Date (ID)

Oldest ²ÝÁñÉçÇø Elementary Schools in Idaho

The average private elementary school in Idaho was founded around 1976 (2026-27).
The oldest private elementary school in Idaho is St. Joseph's Catholic School, founded in 1900.

Quick Facts (2026-27)

  • # ID Schools Ranked: 71
  • Top 20 Range (Year Founded): 1900–1970
  • ID School Avg.: 1977
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # ID Schools Ranked: 71
  • Top 20 Range (Year Founded): 1900–1970
  • ID School Avg.: 1977
  • National School Avg.: 1967
Show school map — Idaho (year founded range: 1900–1970, avg 1977)
Year Founded Range: 1900 1981 Avg. Year Founded: 1954

Oldest ²ÝÁñÉçÇø Elementary Schools in Idaho (2026-27)

Showing 71 schools
St. Joseph's Catholic School Photo
#1St. Joseph's Catholic School
Gr: K-8 | 356 students
Catholic
825 W Fort St
Boise, ID 83702
(208) 342-4909
(1)
1900year founded
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Greenleaf Friends Academy Photo
#2(°Õ2–T4)Greenleaf Friends Academy
Gr: PK-12 | 280 students
Avg. class size: 15 students
Sports: 5 | Extracurriculars: 1
Friends
20565 Academy Rd
Greenleaf, ID 83626
(208) 459-6346
1908year founded
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Map of St. Mary's Catholic School
#2(°Õ2–T4) St. Mary's Catholic School
Gr: NS-8 | 107 students
Avg. class size: 14 students
Extracurriculars: 2
Catholic
412 N Monroe St
Moscow, ID 83843
(208) 882-2121
(1)
1908year founded
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Map of St. Mary's Parish School
#2(°Õ2–T4)St. Mary's Parish School
Gr: PK-8 | 102 students
Catholic
412 N Howard St
Moscow, ID 83843
(208) 882-2121
1908year founded
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Lake City Academy Photo
#5Lake City Academy
Gr: PK-8 | 167 students
Avg. class size: 18 students
Sports: 7 | Extracurriculars: 10
Seventh Day Adventist
125 East Locust Ave
Coeur D Alene, ID 83814
(208) 667-0877
(2)
1909year founded
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Map of Immanuel Lutheran School
#6Immanuel Lutheran School
Gr: PK-5 | 216 students
Avg. class size: 14 students
Lutheran Church Missouri Synod
2055 Filer Avenue E
Twin Falls, ID 83301
(208) 733-7820
(1)
1911year founded
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Map of Beacon Christian School
#7Beacon Christian School
Gr: K-10 | 35 students
Avg. class size: 11 students
Seventh Day Adventist
615 Stewart Ave
Lewiston, ID 83501
(208) 743-8361
1918year founded
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Holy Rosary Catholic School Photo
#8Holy Rosary Catholic School
Gr: PK-6 | 175 students
Avg. class size: 20 students
Extracurriculars: 7
Catholic
161 9th St
Idaho Falls, ID 83404
(208) 522-7781
1921year founded
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Map of St. Pauls Catholic School
#9St. Pauls Catholic School
Gr: K-8 | 148 students
Avg. class size: 20 students
Catholic
1515 8th St S
Nampa, ID 83651
(208) 467-3601
1922year founded
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Map of Sandpoint Junior Academy
#10Sandpoint Junior Academy
Gr: 1-8 | 31 students
Avg. class size: 9 students
Seventh Day Adventist
2255 Pine Street
Sandpoint, ID 83864
(208) 263-3584
1939year founded
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St. Marys School Photo
#11St. Marys School
Gr: PK-8 | 180 students
Avg. class size: 15 students
Sports: 6
Catholic
2620 W State St
Boise, ID 83702
(208) 342-7476
(1)
1949year founded
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Map of Hope Lutheran School
#12(°Õ12–T14)Hope Lutheran School
Gr: PK-6 | 65 students
Avg. class size: 12 students
Sports: 4
Lutheran Church Missouri Synod
2071 12th Street
Idaho Falls, ID 83404
(208) 529-8080
(1)
1958year founded
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Map of Sacred Heart Catholic School
#12(°Õ12–T14)Sacred Heart Catholic School
Gr: PK-8 | 218 students
Catholic
3901 Cassia St
Boise, ID 83705
(208) 344-9738
1958year founded
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Map of St. Nicholas Catholic School
#12(°Õ12–T14)St. Nicholas Catholic School
Gr: PK-6 | 176 students
Catholic
806 F Street
Rupert, ID 83350
(208) 436-6320
1958year founded
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Nampa Christian Schools Photo
#15Nampa Christian Schools
Gr: NS-12 | 1,053 students
Avg. class size: 25 students
Sports: 15 | Extracurriculars: 2
Christian
11920 W. Flamingo Avenue
Nampa, ID 83651
(208) 475-1697
1959year founded
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Zion Lutheran School Photo
#16Zion Lutheran School
Gr: PK-8 | 54 students
Avg. class size: 10 students
Extracurriculars: 6
Lutheran Church Missouri Synod
1012 12th Avenue Rd
Nampa, ID 83686
(208) 466-9141
1961year founded
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Map of Logan Christian Academy
#17Logan Christian Academy
Gr: K-7 | 7 students
Avg. class size: 13 students
Alternative School (Christian)
219 N Roosevelt St
Boise, ID 83706
(208) 912-2783
1962year founded
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Challenger School - Boise Photo
#18(°Õ18–T19)Challenger School - Boise
Gr: NS-1
Avg. class size: 12 students
Daycare / Preschool
5551 W. Bloom Street
Boise, ID 83703
(208) 338-9500
1963year founded
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Challenger School - Meridian Photo
#18(°Õ18–T19)Challenger School - Meridian
Gr: NS-8
2020 W. Everest Lane
Meridian, ID 83646
(208) 846-8888
(1)
1963year founded
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Map of St. Marks Elementary School
#20St. Marks Elementary School
Gr: PK-8 | 345 students
Avg. class size: 20 students
Catholic
7503 W Northview St
Boise, ID 83704
(208) 375-6654
1970year founded
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Map of New Horizon Child Care
#21New Horizon Child Care
Gr: PK-3 | 56 students
155 E Boise Avenue
Boise, ID 83706
(208) 386-9108
1971year founded
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Cole Valley Christian High School Photo
#22(°Õ22–T24) Cole Valley Christian High School
Gr: NS-12 | 1,517 students
Avg. class size: 24 students
Sports: 14 | Extracurriculars: 12
Christian
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
(8)
1972year founded
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Map of Cole Valley Christian Middle School
#22(°Õ22–T24)Cole Valley Christian Middle School
Gr: 6-8 | 85 students
Christian
8775 Ustick Road
Boise, ID 83704
(208) 344-9862
1972year founded
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Map of Cole Valley Christian School
#22(°Õ22–T24)Cole Valley Christian School
Gr: 7-12 | 513 students
Avg. class size: 20 students
Christian
8775 W Ustick Rd
Boise, ID 83704
(208) 947-1212
1972year founded
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Sun Valley Community School Photo
#25Sun Valley Community School
Gr: PK-12 | 423 students
Avg. class size: 15 students
Sports: 22 | Extracurriculars: 11
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
1973year founded
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Map of Twin Falls Christian Academy
#26Twin Falls Christian Academy
Gr: NS-12 | 133 students
Baptist
798 Eastland Drive N
Twin Falls, ID 83301
(208) 733-1452
1975year founded
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Clear Lakes Christian Academy Photo
#27Clear Lakes Christian Academy
Gr: K-12 | 21 students
Baptist
440 Clear Lakes Rd
Buhl, ID 83316
(208) 543-8481
1978year founded
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Christian Center School Photo
#28(°Õ28–T29)Christian Center School
Gr: PK-12 | 239 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 9
3639 W Prairie Ave
Hayden, ID 83835
(208) 772-7542
1979year founded
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Map of Hilltop Sda School
#28(°Õ28–T29)Hilltop Sda School
Gr: 1-7 | 18 students
Avg. class size: 7 students
Seventh Day Adventist
131 Grandview Drive
Twin Falls, ID 83301
(208) 736-5934
1979year founded
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Coeur D'alene Christian School Photo
#30(°Õ30–T32)Coeur D'alene Christian School
Gr: PK-7 | 56 students
Avg. class size: 10 students
Church of Christ
6439 N 4th St
Coeur D Alene, ID 83815
(208) 772-7118
1980year founded
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Map of Hope Christian Academy
#30(°Õ30–T32)Hope Christian Academy
Gr: K-6 | 14 students
Special Education School (Christian)
7696 Old Bruneau Hwy
Marsing, ID 83639
(208) 896-4673
1980year founded
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Map of House Of The Lord Christian Academy
#30(°Õ30–T32)House Of The Lord Christian Academy
Gr: PK-12 | 195 students
Christian
754 Silver Birch Ln
Oldtown, ID 83822
(208) 437-2184
(1)
1980year founded
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Logos School Photo
#33(°Õ33–T35)Logos School
Gr: PK-12 | 634 students
Avg. class size: 19 students
Sports: 7 | Extracurriculars: 2
Christian
110 Baker St
Moscow, ID 83843
(208) 882-1226
1981year founded
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North Idaho Christian School Photo
#33(°Õ33–T35)North Idaho Christian School
Gr: K-12 | 181 students
Avg. class size: 23 students
Sports: 4 | Extracurriculars: 5
Alternative School
251 W Miles Ave
Hayden, ID 83835
(208) 772-7546
1981year founded
View Profile
Map of Pioneer Montessori School
#33(°Õ33–T35)Pioneer Montessori School
Gr: PK-6 | 88 students
Montessori School
211 Second Ave N
Ketchum, ID 83340
(208) 726-9060
1981year founded
View Profile
Show 36 more private schools in Idaho (out of 71 total schools)
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Frequently Asked Questions

What is the Idaho average private elementary schools founding year?
The Idaho average private elementary schools founding year is 1976 for 2026-27.
What are the private elementary schools with oldest founding year in Idaho?
The top ranked private elementary schools in Idaho include St. Joseph's Catholic School, Greenleaf Friends Academy and St. Mary's Catholic School.

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