Private School Cost in Long Island 2026
Private schools in Long Island average $24,800/year. 101% above national avg. Religious schools run $13,200/year; independent schools average $38,500/year.
City Average
$24,800
per year
Monthly Est.
$2,067
per month
Private Schools
285
in Long Island
vs National
+$12,450
per year
Private School Tuition by Grade in Long Island (2026)
Estimated from city average and national grade-level differentials
Elementary School (K–5)
Religious and parish schools bring the lower end down.
$20,400/yr
~$1,700/mo
Middle School (6–8)
Near the city average — most K–8 schools report blended rates.
$24,800/yr
~$2,066/mo
High School (9–12)
Prep school premium; college counseling and athletics raise the cost.
$30,500/yr
~$2,541/mo
Tuition by School Type in Long Island
Average annual tuition, 2026 data
Religious Schools
Catholic, Christian, Jewish, and other faith-based schools.
$13,200/yr
+65% vs national ($8,000)
Independent Schools
Non-religious private day schools and prep schools.
$38,500/yr
+54% vs national ($25,000)
All Private Schools (Avg)
Blended average across all types.
$24,800/yr
+101% vs national ($12,350)
Tuition Range in Long Island
Starting From
$8,500
Parish and religious schools
City Average
$24,800
Typical school
Top End
$52,000+
Elite prep schools
Most Long Island private schools fall between $8,500 and $52,000/year. Contact each school directly for exact figures — tuition varies by grade and financial aid applied.
Private Schools in Long Island: 2026 Tuition Data
Representative schools — tuition figures from school websites and NCES. Verify with each school before applying.
| School | Annual Tuition |
|---|---|
| Friends Academy (Locust Valley) | $44,200–$47,800 |
| Chaminade High School | $18,200 |
| St. Anthony's High School | $16,800 |
| Kellenberg Memorial High School | $15,400 |
| Long Island Lutheran Middle & High School | $28,800–$32,400 |
| Portledge School | $42,800–$45,600 |
Tuition data sourced from school websites (2025–26 academic year). Financial aid can reduce the net cost substantially — ask each school about aid availability.
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