Private Schools

Private Schools in Boise, Idaho

11 private schools in Boise, Idaho with at least 30 students answered the 2023-24 federal survey. Together they enroll 2,805 students: 5 Catholic, 2 other religious and 4 nonsectarian. 4 schools go through high school grades.

Schools listed

Go through high school

Median enrollment

195

Median students per teacher

13.2

Private schools in Boise, Idaho

Largest first. Students per teacher is the school’s own report.

School	Grades	Students	Per teacher	Affiliation
Bishop Kelly High School	9–12	967	16	Catholic
St Joseph's Catholic School	K–8	367	15.3	Catholic
Riverstone International SchoolSpecial program	PK–12	349	5	Nonsectarian
St Marks Elementary School	PK–8	323	13.7	Catholic
Calvary Christian School	PK–8	223	13.2	Christian
Sacred Heart Catholic School	PK–8	195	15	Catholic
St Marys School	PK–8	109	6	Catholic
One StoneSpecial program	9–12	87	36.3	Nonsectarian
Boise State University Trio Upward BoundAlternative	9–11	80	6.2	Nonsectarian
Boise Valley Adventist School	PK–8	75	12.9	Seventh-Day Adventist
Kidz Connection MontessoriMontessori	PK–5	30	2.3	Nonsectarian

Getting in, and keeping up

Private school entrance exams: format, scoring, and dates for the ISEE, SSAT, and HSPT.
Using a 529 plan for K-12 tuition and tutoring.
Colleges in Idaho, for families already looking ahead.

Email me the Boise private school list

A link to this list, plus our guide to the entrance exams these schools use.

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Frequently asked questions

How many private schools are in Boise, Idaho?

11 private schools in Boise, Idaho with at least 30 students answered the 2023-24 federal Private School Universe Survey. Schools that did not answer are not counted, so the real number is higher.

What is the largest private school in Boise, Idaho?

Among schools that answered the survey, Bishop Kelly High School in Boise is the largest, with 967 students in grades 9–12.

How big are classes at private schools in Boise, Idaho?

The survey reports students per teacher, not class size. The median private school in Boise, Idaho has 13.2 students per teacher and 195 students in total.

Do private schools require an entrance exam?

Many independent schools ask for the ISEE or SSAT, and many Catholic high schools use the HSPT. Each school sets its own rule, so check the admissions page of every school on your list.

Source: NCES Private School Universe Survey (PSS), 2023-24 public-use data file, National Center for Education Statistics. Schools that answered the survey and enrolled at least 30 students. Amish schools are left out. Schools report their own figures, and a school that did not answer the survey does not appear.