Average Private School Tuition in Idaho (2026)
Private schools in Idaho average $7,650/year. 38% below national avg. Religious schools run $5,200/year; independent schools average $14,800/year.
State Average
$7,650
per year
Monthly Est.
$638
per month
Private Schools
125
in Idaho
vs National
-$4,700
per year
Private School Tuition by Grade Level in Idaho (2026)
Estimated from NCES state averages and national grade-level differentials
Elementary School (K–5)
Typically the most affordable level — includes K–8 parish and religious programs.
$6,500/yr
~$541/mo
Middle School (6–8)
Near the state average; many schools run K–8 or 6–12 programs.
$7,650/yr
~$637/mo
High School (9–12)
Most expensive level — prep school premium and college counseling raise cost.
$9,200/yr
~$766/mo
Tuition by School Type in Idaho
Average annual tuition, 2026 NCES data
Religious Schools
Catholic, Christian, Jewish, and other faith-based schools.
$5,200/yr
-35% vs national ($8,000)
Independent Schools
Non-religious private day schools and prep schools.
$14,800/yr
-41% vs national ($25,000)
Montessori Schools
Child-led learning programs, typically PK–8.
$9,500/yr
-24% vs national ($12,500)
All Private Schools (Avg)
Blended average across all types.
$7,650/yr
-38% vs national ($12,350)
Cost Range in Idaho
25th Percentile
$4,000
More affordable options
State Average
$7,650
Typical school
75th Percentile
$12,200
Premium schools
Most Idaho private schools fall between $4,000 and $12,200/year. Individual schools vary — always contact the school directly for exact tuition figures.
Can I Afford Private School in Idaho?
Enter your household income to see how Idaho's average tuition fits your budget.
Private vs Public in Idaho
Private School (avg)
$7,650
per year, out-of-pocket
- • Avg class size: 12–15 students
- • Financial aid available (27% of students)
- • Specialized curriculum options
Public School
$8,960
per pupil, taxpayer-funded
- • Avg class size: 16–22 students
- • Free to attend (hidden costs: $1,500–$5,000/yr)
- • Quality varies widely by district
Idaho spends $8,960/pupil in public schools (state average). Private schools charge an average of $7,650/year — a gap of $1,310/year less than public per-pupil spending.
Private School Types in Idaho
Tuition varies significantly by school type. Religious schools cost 50–70% less than independent schools on average.
Financial Aid in Idaho
About 27% of private school students in Idaho receive need-based financial aid, averaging 48% of tuition. At Idaho's average of $7,650/year, that's roughly $3,700/year in aid for qualifying families.
- • Most schools use FACTS or SSS (School and Student Services) applications
- • Apply for aid at the same time you apply for admission — deadlines run January–March
- • Religious schools (avg $5,200/yr) offer the most need-based aid relative to tuition
- • Siblings enrolled at the same school often qualify for a 10–20% multi-child discount
Private School Data by ZIP Code in Idaho
Explore local private school counts, demographics, and market data for the largest communities in Idaho.
Neighboring States
Compare Idaho private school costs with nearby states.
Popular States
Frequently Asked Questions
How much does private school cost in Idaho?
Private school in Idaho averages $7,650/year — 38% below the national average of $12,350/year. Religious schools average $5,200/year; independent schools average $14,800/year. Idaho has approximately 125 private schools. Source: NCES 2023–24.
What is the average private school tuition in Idaho?
The average private school tuition in Idaho is $7,650/year. That breaks down to roughly $637/month on a 12-month payment plan. Religious schools run lower at $5,200/year; independent schools average $14,800/year.
How does Idaho private school cost compare to the national average?
Idaho private school tuition averages $7,650/year, which is 38% below the national average ($12,350/year). Idaho is one of the more affordable states for private education, with a higher share of parish-subsidized religious schools keeping costs down.
How many private schools are in Idaho?
Idaho has approximately 125 private schools. These include religious (Catholic, Christian, Jewish, and other faith-based) schools, independent schools, Montessori programs, and boarding schools. Source: NCES Private School Universe Survey.
Can I afford private school in Idaho?
A common guideline is to keep private school tuition under 10–15% of gross household income. At Idaho's average of $7,650/year, that means a household income of $64,000+ is generally needed without financial stress. About 27% of private school families receive need-based aid averaging 48% of tuition — contact the school's admissions office to learn about aid options.
Average Private School Cost by State
National average: $14,000/year. Compare private school cost across all 50 states by grade and school type.
Total K–12 Cost Calculator
Year-by-year projection with tuition inflation — see the 13-year total.
Financial Aid Calculator
Estimate your aid eligibility based on income and family size.
Private vs Public School
Side-by-side cost comparison with the real out-of-pocket numbers.
All States Comparison
Compare private school costs across all 50 states side by side.
Best Locations in Idaho
ZIP-level opportunity scores, demographics, and school density data.