Average Private School Tuition in Washington (2026)
Private schools in Washington average $13,450/year. 9% above national avg. Religious schools run $9,200/year; independent schools average $28,800/year.
State Average
$13,450
per year
Monthly Est.
$1,121
per month
Private Schools
620
in Washington
vs National
+$1,100
per year
Private School Tuition by Grade Level in Washington (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.
$11,400/yr
~$950/mo
Middle School (6–8)
Near the state average; many schools run K–8 or 6–12 programs.
$13,450/yr
~$1,120/mo
High School (9–12)
Most expensive level — prep school premium and college counseling raise cost.
$16,100/yr
~$1,341/mo
Tuition by School Type in Washington
Average annual tuition, 2026 NCES data
Religious Schools
Catholic, Christian, Jewish, and other faith-based schools.
$9,200/yr
+15% vs national ($8,000)
Independent Schools
Non-religious private day schools and prep schools.
$28,800/yr
+15% vs national ($25,000)
Montessori Schools
Child-led learning programs, typically PK–8.
$15,200/yr
+22% vs national ($12,500)
All Private Schools (Avg)
Blended average across all types.
$13,450/yr
+9% vs national ($12,350)
Cost Range in Washington
25th Percentile
$7,800
More affordable options
State Average
$13,450
Typical school
75th Percentile
$22,200
Premium schools
Most Washington private schools fall between $7,800 and $22,200/year. Individual schools vary — always contact the school directly for exact tuition figures.
Can I Afford Private School in Washington?
Enter your household income to see how Washington's average tuition fits your budget.
Private vs Public in Washington
Private School (avg)
$13,450
per year, out-of-pocket
- • Avg class size: 12–15 students
- • Financial aid available (27% of students)
- • Specialized curriculum options
Public School
$14,500
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
Washington spends $14,500/pupil in public schools (state average). Private schools charge an average of $13,450/year — a gap of $1,050/year less than public per-pupil spending.
Private School Types in Washington
Tuition varies significantly by school type. Religious schools cost 50–70% less than independent schools on average.
Financial Aid in Washington
About 27% of private school students in Washington receive need-based financial aid, averaging 48% of tuition. At Washington's average of $13,450/year, that's roughly $6,500/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 $9,200/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 Washington
Explore local private school counts, demographics, and market data for the largest communities in Washington.
Neighboring States
Compare Washington private school costs with nearby states.
Popular States
Frequently Asked Questions
How much does private school cost in Washington?
Private school in Washington averages $13,450/year — 9% above the national average of $12,350/year. Religious schools average $9,200/year; independent schools average $28,800/year. Washington has approximately 620 private schools. Source: NCES 2023–24.
What is the average private school tuition in Washington?
The average private school tuition in Washington is $13,450/year. That breaks down to roughly $1,120/month on a 12-month payment plan. Religious schools run lower at $9,200/year; independent schools average $28,800/year.
How does Washington private school cost compare to the national average?
Washington private school tuition averages $13,450/year, which is 9% above the national average ($12,350/year). Washington sits close to the national average — a mix of religious and independent schools puts it near the middle of the range.
How many private schools are in Washington?
Washington has approximately 620 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 Washington?
A common guideline is to keep private school tuition under 10–15% of gross household income. At Washington's average of $13,450/year, that means a household income of $112,000+ 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 Washington
ZIP-level opportunity scores, demographics, and school density data.