For the 2026 school year, there are 21 catholic private schools serving 4,613 students in Idaho. You can also find more religiously affiliated schools in Idaho.
The top-ranked catholic private schools in Idaho include St. Joseph's Catholic School, Bishop Kelly High School, and Holy Family Catholic School.
The average acceptance rate is 97%, which is higher than the Idaho private school average acceptance rate of 87%.
Top-Ranked Catholic Private Schools in Idaho (2026)
School
Location
Quick Facts
All Saints Catholic School
(Catholic)
3326 14th Street
Lewiston, ID 83501
(208) 743-4411
Lewiston, ID 83501
(208) 743-4411
Gr: PK-8 | 216 students Avg. class size: 22 students Sports: 2
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
3005 W. Kathleen Avenue
Coeur D Alene, ID 83815
(208) 765-4327
Coeur D Alene, ID 83815
(208) 765-4327
Gr: PK-8 | 224 students Avg. class size: 22 students Sports: 3 | Extracurrculars: 6 Tuition listed
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)
161 9th St
Idaho Falls, ID 83404
(208) 522-7781
Idaho Falls, ID 83404
(208) 522-7781
Gr: PK-6 | 175 students Avg. class size: 20 students Extracurrculars: 7 Tuition listed
Sacred Heart Catholic School
(Catholic)
3901 Cassia St
Boise, ID 83705
(208) 344-9738
Boise, ID 83705
(208) 344-9738
Gr: PK-8 | 218 students Tuition 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
St. Ignatius Catholic School
(Catholic)
6180 N Meridian Rd
Meridian, ID 83646
(208) 888-4759
Meridian, ID 83646
(208) 888-4759
Gr: PK-8 | 492 students Tuition listed
825 W Fort St
Boise, ID 83702
(208) 342-4909
Boise, ID 83702
(208) 342-4909
Gr: K-8 | 356 students Tuition listed
St. Marks Elementary School
(Catholic)
7503 W Northview St
Boise, ID 83704
(208) 375-6654
Boise, ID 83704
(208) 375-6654
Gr: PK-8 | 345 students Avg. class size: 20 students Tuition listed
412 N Monroe St
Moscow, ID 83843
(208) 882-2121
Moscow, ID 83843
(208) 882-2121
Gr: NS-8 | 107 students Avg. class size: 14 students Extracurrculars: 2 Tuition & acceptance rate listed
St. Mary's Parish School
(Catholic)
412 N Howard St
Moscow, ID 83843
(208) 882-2121
Moscow, ID 83843
(208) 882-2121
Gr: PK-8 | 102 students
2620 W State St
Boise, ID 83702
(208) 342-7476
Boise, ID 83702
(208) 342-7476
Gr: PK-8 | 180 students Avg. class size: 15 students Sports: 6 Tuition listed
St. Nicholas Catholic School
(Catholic)
806 F Street
Rupert, ID 83350
(208) 436-6320
Rupert, ID 83350
(208) 436-6320
Gr: PK-6 | 164 students
St. Pauls Catholic School
(Catholic)
1515 8th St S
Nampa, ID 83651
(208) 467-3601
Nampa, ID 83651
(208) 467-3601
Gr: K-8 | 148 students Avg. class size: 20 students Tuition listed
Holy Spirit Catholic School
(Catholic)
540 N 7th Ave
Pocatello, ID 83201
(208) 232-5763
Pocatello, ID 83201
(208) 232-5763
Gr: PK-8 | 126 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. Edwards Catholic School
(Catholic)
139 6th Ave E
Twin Falls, ID 83301
(208) 734-3872
Twin Falls, ID 83301
(208) 734-3872
Gr: PK-8 | 166 students Tuition listed
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
Sts Peter & Paul School
(Catholic)
330 S B St
Grangeville, ID 83530
(208) 983-2182
Grangeville, ID 83530
(208) 983-2182
Gr: PK-8 | 83 students Tuition listed
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