Private School Review - Established 2003
St. Marys School Top 13 · Oldest Founding Date (ID)
St. Joseph's Catholic School Top 3 · Oldest Founding Date (ID)
Bishop Kelly High School Top 3 · Most AP Courses (ID)

Best Idaho Private Schools Belonging to National Catholic Educational Association (NCEA) (2026)

For the 2026 school year, there are 13 private schools belonging to National Catholic Educational Association (NCEA) serving 3,241 students in Idaho. You can also find more schools membership associations in Idaho.
The top ranked private schools belonging to National Catholic Educational Association (NCEA) in Idaho include Bishop Kelly High School, Holy Rosary Catholic School, and Sacred Heart Catholic School.
The average acceptance rate is 97%, which is higher than the Idaho private school average acceptance rate of 87%.
100% of private schools belonging to National Catholic Educational Association (NCEA) in Idaho are religiously affiliated (most commonly Catholic).

Quick Facts (2026)

  • # Private Schools: 13

Quick Facts (2026)

  • # Private Schools: 13

Top Ranked Private Schools Belonging to National Catholic Educational Association (NCEA) in Idaho (2026)

Map of All Saints Catholic School
All Saints Catholic School
Gr: PK-8 | 216 students
Avg. class size: 22 students
Sports: 2
Catholic
3326 14th Street
Lewiston, ID 83501
(208) 743-4411
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Bishop Kelly High School Photo
Bishop Kelly High School
Gr: 9-12 | 945 students
Avg. class size: 21 students
Sports: 19 | Extracurriculars: 32
Catholic
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
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Holy Rosary Catholic School Photo
Holy 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
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Map of Sacred Heart Catholic School
Sacred Heart Catholic School
Gr: PK-8 | 218 students
Catholic
3901 Cassia St
Boise, ID 83705
(208) 344-9738
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St. Joseph's Catholic School Photo
St. Joseph's Catholic School
Gr: K-8 | 356 students
Catholic
825 W Fort St
Boise, ID 83702
(208) 342-4909
(1)
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Map of St. Marks Elementary School
St. Marks Elementary School
Gr: PK-8 | 345 students
Avg. class size: 20 students
Catholic
7503 W Northview St
Boise, ID 83704
(208) 375-6654
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Map of St. Mary's Catholic School
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)
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St. Marys School Photo
St. 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)
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Map of St. Nicholas Catholic School
St. Nicholas Catholic School
Gr: PK-6 | 176 students
Catholic
806 F Street
Rupert, ID 83350
(208) 436-6320
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Map of St. Pauls Catholic School
St. Pauls Catholic School
Gr: K-8 | 148 students
Avg. class size: 20 students
Catholic
1515 8th St S
Nampa, ID 83651
(208) 467-3601
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Map of Holy Spirit Catholic School
Holy Spirit Catholic School
Gr: PK-8 | 126 students
Catholic
540 N 7th Ave
Pocatello, ID 83201
(208) 232-5763
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Map of St. Edwards Catholic School
St. Edwards Catholic School
Gr: PK-8 | 166 students
Catholic
139 6th Ave E
Twin Falls, ID 83301
(208) 734-3872
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Map of Sts Peter & Paul School
Sts Peter & Paul School
Gr: PK-8 | 83 students
Catholic
330 S B St
Grangeville, ID 83530
(208) 983-2182
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Frequently Asked Questions

What are the top ranked private schools belonging to National Catholic Educational Association (NCEA) in Idaho?
The top ranked private schools belonging to National Catholic Educational Association (NCEA) in Idaho include Bishop Kelly High School, Holy Rosary Catholic School, and Sacred Heart Catholic School.
How many private schools belonging to National Catholic Educational Association (NCEA) are located in Idaho?
13 private schools belonging to National Catholic Educational Association (NCEA) are located in Idaho.
How diverse are private schools belonging to National Catholic Educational Association (NCEA) in Idaho?
Idaho private schools belonging to National Catholic Educational Association (NCEA) are approximately 24% minority students, which is higher than the Idaho private school average of 15%.
What percentage of private schools belonging to National Catholic Educational Association (NCEA) are religiously affiliated in Idaho?
100% of private schools belonging to National Catholic Educational Association (NCEA) in Idaho are religiously affiliated (most commonly Catholic).
13
Private Schools
3,241
Students
$10,843
Avg. Tuition
24%
Students of Color
14:1
Student-Teacher Ratio

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