The average private school in Idaho was founded around 1977 (2025).
The oldest private school in Idaho is St. Joseph's Catholic School, founded in 1900.
Year Founded Range: 1900
1978
Avg. Year Founded: 1947
Oldest 17勛圖s in Idaho (2025)
School
Founding Date
Grades
Location
Rank: #11.
Founding Date: 1900
Grades: K-8
825 W Fort St
Boise, ID 83702
(208) 342-4909
Boise, ID 83702
(208) 342-4909
Rank: #2 - 32. - 3.
Little Miracles
Daycare / Preschool (Christian)
Founding Date: 1905
Grades: K
439 N Star Rd
Star, ID 83669
(208) 286-0388
Star, ID 83669
(208) 286-0388
Rank: #2 - 32. - 3.
Northwest Childrens Home Education Center
Special Education School
Founding Date: 1905
Grades: 1-12
602 13th St
Lewiston, ID 83501
(208) 746-8206
Lewiston, ID 83501
(208) 746-8206
Rank: #4 - 64. - 6.
Greenleaf Friends Academy![Greenleaf Friends Academy Photo - .......a place to belong and be known]( "Greenleaf Friends Academy Photo - .......a place to belong and be known")
(Friends)
Founding Date: 1908
Grades: PK-12
20565 Academy Rd
Greenleaf, ID 83626
(208) 459-6346
Greenleaf, ID 83626
(208) 459-6346
Rank: #4 - 64. - 6.
Founding Date: 1908
Grades: NS-8
412 N Monroe St
Moscow, ID 83843
(208) 882-2121
Moscow, ID 83843
(208) 882-2121
Rank: #4 - 64. - 6.
St. Mary's Parish School
(Catholic)
Founding Date: 1908
Grades: PK-8
412 N Howard St
Moscow, ID 83843
(208) 882-2121
Moscow, ID 83843
(208) 882-2121
Rank: #77.
Founding Date: 1909
Grades: PK-8
125 East Locust Ave
Coeur D Alene, ID 83814
(208) 667-0877
Coeur D Alene, ID 83814
(208) 667-0877
Rank: #88.
Founding Date: 1911
Grades: PK-5
2055 Filer Avenue E
Twin Falls, ID 83301
(208) 733-7820
Twin Falls, ID 83301
(208) 733-7820
Rank: #9 - 109. - 10.
Beacon Christian School
(Seventh Day Adventist)
Founding Date: 1918
Grades: K-10
615 Stewart Ave
Lewiston, ID 83501
(208) 743-8361
Lewiston, ID 83501
(208) 743-8361
Rank: #9 - 109. - 10.
Gem State Adventist Academy
(Seventh Day Adventist)
Founding Date: 1918
Grades: 9-12
16115 S Montana Ave
Caldwell, ID 83607
(208) 459-1627
Caldwell, ID 83607
(208) 459-1627
Rank: #1111.
Holy Rosary Catholic School![Holy Rosary Catholic School Photo - It's a GREAT day at Holy Rosary!]( "Holy Rosary Catholic School Photo - It's a GREAT day at Holy Rosary!")
(Catholic)
Founding Date: 1921
Grades: PK-6
161 9th St
Idaho Falls, ID 83404
(208) 522-7781
Idaho Falls, ID 83404
(208) 522-7781
Rank: #1212.
St. Pauls Catholic School
(Catholic)
Founding Date: 1922
Grades: K-8
1515 8th St S
Nampa, ID 83651
(208) 467-3601
Nampa, ID 83651
(208) 467-3601
Rank: #1313.
Sandpoint Junior Academy
(Seventh Day Adventist)
Founding Date: 1939
Grades: 1-8
2255 Pine Street
Sandpoint, ID 83864
(208) 263-3584
Sandpoint, ID 83864
(208) 263-3584
Rank: #1414.
Founding Date: 1949
Grades: PK-8
2620 W State St
Boise, ID 83702
(208) 342-7476
Boise, ID 83702
(208) 342-7476
Rank: #15 - 1715. - 17.
Founding Date: 1958
Grades: PK-6
2071 12th Street
Idaho Falls, ID 83404
(208) 529-8080
Idaho Falls, ID 83404
(208) 529-8080
Rank: #15 - 1715. - 17.
Sacred Heart Catholic School
(Catholic)
Founding Date: 1958
Grades: PK-8
3901 Cassia St
Boise, ID 83705
(208) 344-9738
Boise, ID 83705
(208) 344-9738
Rank: #15 - 1715. - 17.
St. Nicholas Catholic School
(Catholic)
Founding Date: 1958
Grades: PK-6
806 F Street
Rupert, ID 83350
(208) 436-6320
Rupert, ID 83350
(208) 436-6320
Rank: #1818.
Nampa Christian Schools![Nampa Christian Schools Photo - The class of 2016 celebrates commencement. 100% of these students when onto higher education. They have blessed our school beyond measure and will be missed.]( "Nampa Christian Schools Photo - The class of 2016 celebrates commencement. 100% of these students when onto higher education. They have blessed our school beyond measure and will be missed.")
(Christian)
Founding Date: 1959
Grades: NS-12
11920 W. Flamingo Avenue
Nampa, ID 83651
(208) 475-1697
Nampa, ID 83651
(208) 475-1697
Rank: #1919.
Zion Lutheran School![Zion Lutheran School Photo]( "Zion Lutheran School Photo")
(Lutheran Church Missouri Synod)
Founding Date: 1961
Grades: PK-8
1012 12th Avenue Rd
Nampa, ID 83686
(208) 466-9141
Nampa, ID 83686
(208) 466-9141
Rank: #2020.
Logan Christian Academy
Alternative School (Christian)
Founding Date: 1962
Grades: K-7
219 N Roosevelt St
Boise, ID 83706
(208) 912-2783
Boise, ID 83706
(208) 912-2783
Rank: #21 - 2321. - 23.
Challenger School - Boise![Challenger School - Boise Photo]( "Challenger School - Boise Photo")
Daycare / Preschool
Founding Date: 1963
Grades: NS-1
5551 W. Bloom Street
Boise, ID 83703
(208) 338-9500
Boise, ID 83703
(208) 338-9500
Rank: #21 - 2321. - 23.
Founding Date: 1963
Grades: NS-8
2020 W. Everest Lane
Meridian, ID 83646
(208) 846-8888
Meridian, ID 83646
(208) 846-8888
Rank: #21 - 2321. - 23.
Wesleyan Preschool & Kindergarten
Daycare / Preschool (Methodist)
Founding Date: 1963
Grades: PK-K
717 N 11th St
Boise, ID 83702
(208) 343-3778
Boise, ID 83702
(208) 343-3778
Rank: #2424.
Bishop Kelly High School![Bishop Kelly High School Photo]( "Bishop Kelly High School Photo")
(Catholic)
Founding Date: 1964
Grades: 9-12
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
Boise, ID 83709
(208) 375-6010
Rank: #2525.
St. Marks Elementary School
(Catholic)
Founding Date: 1970
Grades: PK-8
7503 W Northview St
Boise, ID 83704
(208) 375-6654
Boise, ID 83704
(208) 375-6654
Rank: #2626.
Founding Date: 1971
Grades: PK-3
155 E Boise Avenue
Boise, ID 83706
(208) 386-9108
Boise, ID 83706
(208) 386-9108
Rank: #27 - 2927. - 29.
Founding Date: 1972
Grades: NS-12
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
Meridian, ID 83642
(208) 947-1212
Rank: #27 - 2927. - 29.
Cole Valley Christian Middle School
(Christian)
Founding Date: 1972
Grades: 6-8
8775 Ustick Road
Boise, ID 83704
(208) 344-9862
Boise, ID 83704
(208) 344-9862
Rank: #27 - 2927. - 29.
Cole Valley Christian School
(Christian)
Founding Date: 1972
Grades: 7-12
8775 W Ustick Rd
Boise, ID 83704
(208) 947-1212
Boise, ID 83704
(208) 947-1212
Rank: #3030.
Founding Date: 1973
Grades: PK-12
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
Sun Valley, ID 83353
(208) 622-3960
Rank: #3131.
Learning Tree Inc
Daycare / Preschool
Founding Date: 1974
Grades: PK-K
2908 N 28th St
Boise, ID 83703
(208) 342-7821
Boise, ID 83703
(208) 342-7821
Rank: #3232.
Twin Falls Christian Academy
(Baptist)
Founding Date: 1975
Grades: NS-12
798 Eastland Drive N
Twin Falls, ID 83301
(208) 733-1452
Twin Falls, ID 83301
(208) 733-1452
Rank: #3333.
Founding Date: 1977
Grades: PK-K
543 N Ridge Ave
Idaho Falls, ID 83402
(208) 523-7615
Idaho Falls, ID 83402
(208) 523-7615
Rank: #34 - 3534. - 35.
Clear Lakes Christian Academy![Clear Lakes Christian Academy Photo - Clear Lakes Christian Academy has provided quality Christian education since 1978 to the Magic Valley area.]( "Clear Lakes Christian Academy Photo - Clear Lakes Christian Academy has provided quality Christian education since 1978 to the Magic Valley area.")
(Baptist)
Founding Date: 1978
Grades: K-12
440 Clear Lakes Rd
Buhl, ID 83316
(208) 543-8481
Buhl, ID 83316
(208) 543-8481
Rank: #34 - 3534. - 35.
Selkirk School![Selkirk School Photo - Plaground]( "Selkirk School Photo - Plaground")
Daycare / Preschool
Founding Date: 1978
Grades: PK-K
11014 W Pine St
Sandpoint, ID 83864
(208) 263-4931
Sandpoint, ID 83864
(208) 263-4931
Show 55 more private schools in ID (out of 90 total schools)
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Frequently Asked Questions
What is the Idaho average private schools founding year?
The Idaho average private schools founding year is 1977 for 2025.
What are the private schools with oldest founding year in Idaho?
The top ranked private schools in Idaho include St. Joseph's Catholic School, Little Miracles and Northwest Childrens Home Education Center.
What is private high school and private elementary school with the oldest founding year in Idaho?
The private high school with the oldest founding year in Idaho is Northwest Childrens Home Education Center, with a year of 1905. The private elementary school with the oldest founding year is St. Joseph's Catholic School, with a year of 1900.
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