For the 2026 school year, there are 6 catholic private high schools serving 1,511 students in Idaho. You can also find more religiously affiliated schools in Idaho.
The top-ranked catholic private high schools in Idaho include St. Dominic School and Bishop Kelly High School.
The average acceptance rate is 96%, which is higher than the Idaho private high school average acceptance rate of 85%.
Top-Ranked Catholic Private High Schools in Idaho (2026)
School
Location
Quick Facts
Bishop Kelly High School![Bishop Kelly High School Photo]( "Bishop Kelly High School Photo")
(Catholic)
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
Boise, ID 83709
(208) 375-6010
Gr: 9-12 | 945 students Avg. class size: 21 students Sports: 19 | Extracurrculars: 32 Tuition & acceptance rate listed
St. Dominic School
All-girls (Catholic)
20274 W Riverview Dr
Post Falls, ID 83854
(208) 773-7598
Post Falls, ID 83854
(208) 773-7598
Gr: K-12 | 228 students
Immaculate Conception Academy
All-boys (Catholic)
495 Lincoln St
Post Falls, ID 83854
(208) 773-2312
Post Falls, ID 83854
(208) 773-2312
Gr: K-12 | 176 students Sports: 4 | Extracurrculars: 4
15384 N Church Rd
Rathdrum, ID 83858
(208) 687-0290
Rathdrum, ID 83858
(208) 687-0290
Gr: K-12 | 44 students
St. John Bosco Academy
(Catholic)
122 Substation Rd
Cottonwood, ID 83522
(208) 962-5650
Cottonwood, ID 83522
(208) 962-5650
Gr: PK-12 | 108 students Avg. class size: 7 students Sports: 2 | Extracurrculars: 7 Tuition listed
St. Joseph Seminary
All-boys (Catholic)
15384 N Church Rd
Rathdrum, ID 83858
(208) 687-0290
Rathdrum, ID 83858
(208) 687-0290
Gr: 10-12 | 10 students
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