The average private high school in Idaho was founded around 1983 (2024-25).
The oldest private high school in Idaho is Greenleaf Friends Academy, founded in 1908.
Year Founded Range: 1908
2021
Avg. Year Founded: 1983
Oldest Private High Schools in Idaho (2024-25)
School
Founding Date
Grades
Location
Rank: #11.
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: #22.
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: #33.
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: PK-12
11920 W. Flamingo Avenue
Nampa, ID 83651
(208) 475-1697
Nampa, ID 83651
(208) 475-1697
Rank: #44.
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: #55.
Founding Date: 1972
Grades: NS-12
200 E Carlton Ave
Meridian, ID 83642
(208) 947-1212
Meridian, ID 83642
(208) 947-1212
Rank: #66.
Founding Date: 1973
Grades: PK-12
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
Sun Valley, ID 83353
(208) 622-3960
Rank: #77.
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: #88.
Founding Date: 1979
Grades: PK-12
3639 W Prairie Ave
Hayden, ID 83835
(208) 772-7542
Hayden, ID 83835
(208) 772-7542
Rank: #9 - 109. - 10.
Logos School![Logos School Photo]( "Logos School Photo")
(Christian)
Founding Date: 1981
Grades: PK-12
110 Baker St
Moscow, ID 83843
(208) 882-1226
Moscow, ID 83843
(208) 882-1226
Rank: #9 - 109. - 10.
North Idaho Christian School![North Idaho Christian School Photo - Girls Varsity Basketball Champions 2024]( "North Idaho Christian School Photo - Girls Varsity Basketball Champions 2024")
Alternative School
Founding Date: 1981
Grades: K-12
251 W Miles Ave
Hayden, ID 83835
(208) 772-7546
Hayden, ID 83835
(208) 772-7546
Rank: #1111.
Silver Valley Christian Academy
(Christian)
Founding Date: 1985
Grades: PK-12
514 West Brown Avenue
Kellogg, ID 83837
(208) 783-3791
Kellogg, ID 83837
(208) 783-3791
Rank: #1212.
Project Patch School![Project Patch School Photo]( "Project Patch School Photo")
Alternative School (Christian)
Founding Date: 1991
Grades: 6-12
PO BOX 450
Garden Valley, ID 83622
(360) 690-8495
Garden Valley, ID 83622
(360) 690-8495
Rank: #1313.
Foothills School of Arts & Sciences![Foothills School of Arts & Sciences Photo - Foothills students become capable and confident learners during their time at Foothills! Foothills allows students to share their voice, empowers them to become critical thinkers and open-minded listeners, and promotes a positive school culture where everyone is valued.]( "Foothills School of Arts & Sciences Photo - Foothills students become capable and confident learners during their time at Foothills! Foothills allows students to share their voice, empowers them to become critical thinkers and open-minded listeners, and promotes a positive school culture where everyone is valued.")
Special Program Emphasis
Founding Date: 1992
Grades: PK-9
601 South 9th Street
Boise, ID 83702
(208) 331-9260
Boise, ID 83702
(208) 331-9260
Rank: #1414.
Calvary Christian School![Calvary Christian School Photo - Coach giving direction]( "Calvary Christian School Photo - Coach giving direction")
(Christian)
Founding Date: 1994
Grades: K-11
1210 N Middleton Rd
Nampa, ID 83651
(208) 467-9114
Nampa, ID 83651
(208) 467-9114
Rank: #15 - 1715. - 17.
Founding Date: 1995
Grades: PK-12
6100 N. Locust Grove Rd.
Meridian, ID 83646
(208) 323-3888
Meridian, ID 83646
(208) 323-3888
Rank: #15 - 1715. - 17.
Classical Christian Academy![Classical Christian Academy Photo - Classical Christian Academy students on the 1st day of school.]( "Classical Christian Academy Photo - Classical Christian Academy students on the 1st day of school.")
Special Program Emphasis (Christian)
Founding Date: 1995
Grades: PK-12
4810 N. Ramsey Road
Coeur D Alene, ID 83815
(208) 777-4400
Coeur D Alene, ID 83815
(208) 777-4400
Rank: #15 - 1715. - 17.
Lighthouse Christian School
(Christian)
Founding Date: 1995
Grades: PK-12
960 Eastland Dr
Twin Falls, ID 83301
(208) 737-1425
Twin Falls, ID 83301
(208) 737-1425
Rank: #1818.
The North Fork School![The North Fork School Photo - Hard work. Hard statistics. Open doors.]( "The North Fork School Photo - Hard work. Hard statistics. Open doors.")
Special Program Emphasis
Founding Date: 1996
Grades: 5-11
812 Reedy Lane
Mccall, ID 83638
(208) 634-4024
Mccall, ID 83638
(208) 634-4024
Rank: #19 - 2119. - 21.
Founding Date: 1997
Grades: NS-12
5521 E Warm Springs Ave
Boise, ID 83716
(208) 424-5000
Boise, ID 83716
(208) 424-5000
Rank: #19 - 2119. - 21.
St. John Bosco Academy
(Catholic)
Founding Date: 1997
Grades: PK-12
122 Substation Rd
Cottonwood, ID 83522
(208) 962-5650
Cottonwood, ID 83522
(208) 962-5650
Rank: #19 - 2119. - 21.
Watersprings School![Watersprings School Photo - One of our 3rd Grade Classes]( "Watersprings School Photo - One of our 3rd Grade Classes")
(Christian)
Founding Date: 1997
Grades: PK-12
4250 South 25th East
Idaho Falls, ID 83404
(208) 542-6250
Idaho Falls, ID 83404
(208) 542-6250
Rank: #22 - 2322. - 23.
Legacy Christian School![Legacy Christian School Photo - 2020 Graduation]( "Legacy Christian School Photo - 2020 Graduation")
(Christian)
Founding Date: 2001
Grades: PK-10
1633 Olympus Drive
Pocatello, ID 83201
(208) 237-9500
Pocatello, ID 83201
(208) 237-9500
Rank: #22 - 2322. - 23.
Wisdom Ranch Vocational Gap Year
All-boys | Alternative School
Founding Date: 2001
Grades: 10-12
4331 Champagne Creek Rd
Arco, ID 83213
(208) 527-8933
Arco, ID 83213
(208) 527-8933
Rank: #2424.
Founding Date: 2016
Grades: PK-12
5771 N Discovery Way
Boise, ID 83713
(208) 991-4376
Boise, ID 83713
(208) 991-4376
Rank: #2525.
Acton Academy Twin Falls![Acton Academy Twin Falls Photo]( "Acton Academy Twin Falls Photo")
Montessori School
Founding Date: 2021
Grades: NS-10
1830 Addison Ave E
Twin Falls, ID 83301
(208) 420-9520
Twin Falls, ID 83301
(208) 420-9520
Frequently Asked Questions
What is the Idaho average private high schools founding year?
The Idaho average private high schools founding year is 1983 for 2024-25.
What are the private high schools with oldest founding year in Idaho?
The top ranked private high schools in Idaho include Greenleaf Friends Academy, Beacon Christian School and Nampa Christian Schools.
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