Private School Review - Established 2003
The Wardlaw+Hartridge School Top 14 · Highest Avg. SAT Score (NJ)
Stuart Country Day School Top 4 · Highest Avg. SAT Score (NJ)
Ranney School Top 13 · Most AP Courses (NJ)

New Jersey Private High Schools Belonging to National Association of Independent Schools (NAIS)

For the 2026-27 school year, there are 50 private high schools belonging to National Association of Independent Schools (NAIS) serving 18,851 students in New Jersey. You can also find more schools membership associations in New Jersey.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey include Newark Academy, Gill St. Bernard's School, and Delbarton School.
The average tuition cost is $37,261, which is higher than the New Jersey private high school average tuition cost of $22,991.
42% of private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey are religiously affiliated (most commonly Catholic and Jewish).

Quick Facts (26-27)

  • # Private Schools: 50

Quick Facts (26-27)

  • # Private Schools: 50

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in New Jersey (2026-27)

Gill St. Bernard's School Photo
Gill St. Bernard's School
Gr: NS-12 | 613 students
Avg. class size: 16 students
Sports: 14 | Extracurriculars: 23
25 St. Bernards Road
Gladstone, NJ 07934
(908) 234-1611
(8)
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Moorestown Friends School Photo
Moorestown Friends School
Gr: NS-12 | 602 students
Avg. class size: 14 students
Sports: 10 | Extracurriculars: 52
Friends
110 East Main Street
Moorestown, NJ 08057
(856) 914-4427
(11)
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Oak Knoll School Of The Holy Child Photo
Oak Knoll School Of The Holy Child
Gr: 7-12 | 319 students
Avg. class size: 12 students
Sports: 15 | Extracurriculars: 38
All-girls (Catholic)
44 Blackburn Road
Summit, NJ 07901
(908) 522-8100
(7)
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Pioneer Academy Photo
Pioneer Academy
Gr: PK-12 | 454 students
Avg. class size: 20 students
Sports: 8 | Extracurriculars: 25
164 Totowa Road
Wayne, NJ 07470
(973) 405-5169
(5)
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Ranney School Photo
Ranney School
Gr: PK-12 | 737 students
Avg. class size: 14 students
Sports: 18 | Extracurriculars: 39
235 Hope Road
Eatontown, NJ 07724
(732) 542-4777
(2)
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Rutgers Preparatory School Photo
Rutgers Preparatory School
Gr: PK-12 | 640 students
Sports: 11
1345 Easton Ave
Somerset, NJ 08873
(732) 545-5600
(2)
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Stuart Country Day School Photo
Stuart Country Day School
Gr: NS-12 | 275 students
Avg. class size: 12 students
Sports: 9 | Extracurriculars: 38
Catholic
1200 Stuart Rd
Princeton, NJ 08540
(609) 921-2330
(6)
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The Wardlaw+Hartridge School Photo
The Wardlaw+Hartridge School
Gr: PK-12 | 449 students
Avg. class size: 14 students
Sports: 11 | Extracurriculars: 23
1295 Inman Ave
Edison, NJ 08820
(908) 754-1882
(13)
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Winston Preparatory School New Jersey Photo
Winston Preparatory School New Jersey
Gr: 4-12
Sports: 6
Special Education School
901 Route 10 East
Whippany, NJ 07981
(973) 500-6480
(1)
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Academy Of Saint Elizabeth Photo
Academy Of Saint Elizabeth
Gr: 9-12 | 208 students
Avg. class size: 10 students
Sports: 12
All-girls (Catholic)
2 Convent Rd
Convent Station, NJ 07961
(973) 219-9762
(5)
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Map of Bais Leah High School
Bais Leah High School
Gr: 9-12 | 304 students
All-girls (Jewish)
152 Lanes Mill Rd
Howell, NJ 07731
(732) 886-5324
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Blair Academy Photo
Blair Academy
Gr: 9-12 | 465 students
Avg. class size: 11 students
Sports: 20 | Extracurriculars: 25
Presbyterian
2 Park St
Blairstown, NJ 07825
(908) 362-2009
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Map of Calvary Academy
Calvary Academy
Gr: PK-12 | 258 students
Sports: 6 | Extracurriculars: 6
Christian
1133 E County Line Rd
Lakewood, NJ 08701
(732) 363-3633
(3)
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Map of Collegiate School
Collegiate School
Gr: PK-12 | 110 students
Avg. class size: 15 students
Sports: 4 | Extracurriculars: 9
22 Kent Ct
Passaic, NJ 07055
(973) 777-1714
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The Craig School Photo
The Craig School
Gr: 2-12
Avg. class size: 6 students
Sports: 4
Special Education School
10 Tower Hill Road
Mountain Lakes, NJ 07046
(973) 334-1234
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Delbarton School Photo
Delbarton School
Gr: 7-12 | 644 students
Avg. class size: 18 students
Sports: 17 | Extracurriculars: 5
All-boys (Catholic)
230 Mendham Road
Morristown, NJ 07960
(973) 538-3231
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Doane Academy Photo
Doane Academy
Gr: PK-12 | 202 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 13
Episcopal
350 Riverbank
Burlington, NJ 08016
(609) 386-3500
(9)
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Dwight-Englewood School Photo
Dwight-Englewood School
Gr: PK-12 | 1,020 students
Avg. class size: 14 students
Sports: 20 | Extracurriculars: 40
315 E Palisade Avenue
Englewood, NJ 07631
(201) 569-9500
(2)
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FlexSchool Photo
FlexSchool
Gr: K-12 | 100 students
Avg. class size: 4 students
Extracurriculars: 7
Alternative School
34 Russo Place
Berkeley Heights, NJ 07922
(908) 322-0554
(7)
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Golda Och Academy Photo
Golda Och Academy
Gr: PK-12 | 453 students
Avg. class size: 11 students
Sports: 8 | Extracurriculars: 26
Jewish
1418 Pleasant Valley Way
West Orange, NJ 07052
(973) 602-3600
(5)
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The Hudson School Photo
The Hudson School
Gr: PK-12 | 193 students
Avg. class size: 15 students
Sports: 9 | Extracurriculars: 11
601 Park Ave
Hoboken, NJ 07030
(201) 659-8335
(2)
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Map of The Hun School Of Princeton
The Hun School Of Princeton
Gr: 6-12 | 698 students
Avg. class size: 16 students
Sports: 15 | Extracurriculars: 54
176 Edgerstoune Road
Princeton, NJ 08540
(609) 921-7600
(2)
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Map of Immaculate Heart Academy
Immaculate Heart Academy
Gr: 9-12 | 625 students
All-girls (Catholic)
500 Van Emburgh Ave
Township Of Washington, NJ 07676
(201) 445-6800
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Map of Kent Place School
Kent Place School
Gr: PK-12 | 640 students
Avg. class size: 12 students
All-girls
42 Norwood Avenue
Summit, NJ 07901
(908) 273-0900
(2)
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Map of Lacordaire Academy
Lacordaire Academy
Gr: PK-12 | 252 students
Avg. class size: 10 students
Catholic
155 Lorraine Ave
Montclair, NJ 07043
(973) 744-1156
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The Lawrenceville School Photo
The Lawrenceville School
Gr: 9-12 | 827 students
Avg. class size: 12 students
Sports: 24 | Extracurriculars: 6
2500 Main Street
Lawrence Township, NJ 08648
(609) 895-2030
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The Montclair Kimberley Academy Photo
The Montclair Kimberley Academy
Gr: PK-12 | 1,046 students
Avg. class size: 15 students
Sports: 21 | Extracurriculars: 5
201 Valley Road
Montclair, NJ 07042
(973) 746-9800
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Morristown Beard School Photo
Morristown Beard School
Gr: 6-12 | 586 students
Avg. class size: 14 students
Sports: 21 | Extracurriculars: 55
70 Whippany Road
Morristown, NJ 07960
(973) 539-3032
(3)
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Mount Saint Dominic Academy Photo
Mount Saint Dominic Academy
Gr: 9-12 | 225 students
Avg. class size: 15 students
Sports: 16 | Extracurriculars: 25
All-girls (Catholic)
3 Ryerson Avenue
Caldwell, NJ 07006
(973) 226-0660
(2)
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Map of Mount Saint Mary Academy
Mount Saint Mary Academy
Gr: 9-12 | 281 students
Avg. class size: 14 students
Sports: 13 | Extracurriculars: 53
All-girls (Catholic)
1645 US Highway 22 W
Watchung, NJ 07069
(908) 757-0108
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Newark Academy Photo
Newark Academy
Gr: 6-12
Avg. class size: 14 students
Sports: 19
91 South Orange Avenue
Livingston, NJ 07039
(973) 992-7000
(3)
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Map of Noor-ul-iman School
Noor-ul-iman School
Gr: PK-12 | 493 students
Islamic
4137 Us Highway 1
Monmouth Junction, NJ 08852
(732) 329-1800
(1)
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Peddie School Photo
Peddie School
Gr: 9-12 | 532 students
Avg. class size: 12 students
Sports: 15 | Extracurriculars: 44
201 S Main St
Hightstown, NJ 08520
(609) 944-7555
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The Pennington School Photo
The Pennington School
Gr: 6-12 | 541 students
Avg. class size: 13 students
Sports: 16 | Extracurriculars: 1
Methodist
112 W Delaware Avenue
Pennington, NJ 08534
(609) 737-6128
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Map of The Pingry School
The Pingry School
Gr: K-12 | 1,129 students
Avg. class size: 14 students
Sports: 19
131 Martinsville Road
Basking Ridge, NJ 07920
(908) 647-6419
(1)
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Show 15 more private schools in New Jersey (out of 50 total schools)
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Frequently Asked Questions

What are the top ranked private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey?
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey include Newark Academy, Gill St. Bernard's School, and Delbarton School.
How many private high schools belonging to National Association of Independent Schools (NAIS) are located in New Jersey?
50 private high schools belonging to National Association of Independent Schools (NAIS) are located in New Jersey.
How much do private high schools belonging to National Association of Independent Schools (NAIS) cost in New Jersey?
The average tuition cost is $37,261, which is higher than the New Jersey private school average tuition cost of $22,991.
How diverse are private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey?
New Jersey private high schools belonging to National Association of Independent Schools (NAIS) are approximately 35% minority students, which is lower than the New Jersey private school average of 40%.
What percentage of private high schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in New Jersey?
42% of private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey are religiously affiliated (most commonly Catholic and Jewish).
50
Private Schools
18,851
Students
$37,261
Avg. Tuition
35%
Students of Color
7:1
Student-Teacher Ratio

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