For the 2025 school year, there are 45 private high schools belonging to National Association of Independent Schools (NAIS) serving 18,063 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, The Lawrenceville School, and Delbarton School.
The average tuition cost is $39,233, which is higher than the New Jersey private high school average tuition cost of $21,738.
Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in New Jersey (2025)
School
Location
Grades
Students
Delbarton School![Delbarton School Photo - The Class of 2024]( "Delbarton School Photo - The Class of 2024")
All-boys (Catholic)
230 Mendham Road
Morristown, NJ 07960
(973) 538-3231
Morristown, NJ 07960
(973) 538-3231
Grades: 7-12
| 644 students
25 St. Bernards Road
Gladstone, NJ 07934
(908) 234-1611
Gladstone, NJ 07934
(908) 234-1611
Grades: NS-12
| 613 students
110 East Main Street
Moorestown, NJ 08057
(856) 914-4426
Moorestown, NJ 08057
(856) 914-4426
Grades: NS-12
| 634 students
44 Blackburn Road
Summit, NJ 07901
(908) 522-8100
Summit, NJ 07901
(908) 522-8100
Grades: 7-12
| 326 students
1345 Easton Ave
Somerset, NJ 08873
(732) 545-5600
Somerset, NJ 08873
(732) 545-5600
Grades: PK-12
| 640 students
1200 Stuart Rd
Princeton, NJ 08540
(609) 921-2330
Princeton, NJ 08540
(609) 921-2330
Grades: NS-12
| 275 students
1295 Inman Ave
Edison, NJ 08820
(908) 754-1882
Edison, NJ 08820
(908) 754-1882
Grades: PK-12
| 449 students
2 Convent Rd
Convent Station, NJ 07961
(973) 219-9762
Convent Station, NJ 07961
(973) 219-9762
Grades: 9-12
| 208 students
Bais Leah High School
All-girls (Jewish)
152 Lanes Mill Rd
Howell, NJ 07731
(732) 886-5324
Howell, NJ 07731
(732) 886-5324
Grades: 9-12
| 304 students
1133 E County Line Rd
Lakewood, NJ 08701
(732) 363-3633
Lakewood, NJ 08701
(732) 363-3633
Grades: PK-12
| 258 students
The Craig School![The Craig School Photo]( "The Craig School Photo")
Special Education School
10 Tower Hill Road
Mountain Lakes, NJ 07046
(973) 334-1234
Mountain Lakes, NJ 07046
(973) 334-1234
Grades: 2-12
| n/a students
350 Riverbank
Burlington, NJ 08016
(609) 386-3500
Burlington, NJ 08016
(609) 386-3500
Grades: PK-12
| 224 students
315 E Palisade Avenue
Englewood, NJ 07631
(201) 569-9500
Englewood, NJ 07631
(201) 569-9500
Grades: PK-12
| 1,053 students
34 Russo Place
Berkeley Heights, NJ 07922
(908) 322-0554
Berkeley Heights, NJ 07922
(908) 322-0554
Grades: K-12
| 100 students
1418 Pleasant Valley Way
West Orange, NJ 07052
(973) 602-3600
West Orange, NJ 07052
(973) 602-3600
Grades: PK-12
| 453 students
176 Edgerstoune Road
Princeton, NJ 08540
(609) 921-7600
Princeton, NJ 08540
(609) 921-7600
Grades: 6-12
| 655 students
Immaculate Heart Academy
All-girls (Catholic)
500 Van Emburgh Ave
Township Of Washington, NJ 07676
(201) 445-6800
Township Of Washington, NJ 07676
(201) 445-6800
Grades: 9-12
| 625 students
42 Norwood Avenue
Summit, NJ 07901
(908) 273-0900
Summit, NJ 07901
(908) 273-0900
Grades: PK-12
| 640 students
Lacordaire Academy
(Catholic)
155 Lorraine Ave
Montclair, NJ 07043
(973) 744-1156
Montclair, NJ 07043
(973) 744-1156
Grades: PK-12
| 252 students
2500 Main Street
Lawrence Township, NJ 08648
(609) 895-2030
Lawrence Township, NJ 08648
(609) 895-2030
Grades: 9-12
| 824 students
201 Valley Road
Montclair, NJ 07042
(973) 746-9800
Montclair, NJ 07042
(973) 746-9800
Grades: PK-12
| 1,046 students
70 Whippany Road
Morristown, NJ 07960
(973) 539-3032
Morristown, NJ 07960
(973) 539-3032
Grades: 6-12
| 612 students
91 South Orange Avenue
Livingston, NJ 07039
(973) 992-7000
Livingston, NJ 07039
(973) 992-7000
Grades: 6-12
| 673 students
The Pennington School![The Pennington School Photo - Founded in 1838, The Pennington School is an independent, coeducational school serving day and boarding students in grades 6 through 12.]( "The Pennington School Photo - Founded in 1838, The Pennington School is an independent, coeducational school serving day and boarding students in grades 6 through 12.")
(Methodist)
112 W Delaware Avenue
Pennington, NJ 08534
(609) 737-6128
Pennington, NJ 08534
(609) 737-6128
Grades: 6-12
| 541 students
131 Martinsville Road
Basking Ridge, NJ 07920
(908) 647-6419
Basking Ridge, NJ 07920
(908) 647-6419
Grades: K-12
| 1,129 students
147 Chestnut Ridge Road
Saddle River, NJ 07458
(201) 327-4050
Saddle River, NJ 07458
(201) 327-4050
Grades: NS-12
| 347 students
St. Augustine Preparatory School![St. Augustine Preparatory School Photo]( "St. Augustine Preparatory School Photo")
All-boys (Catholic)
611 Cedar Avenue
Richland, NJ 08350
(856) 697-2600
Richland, NJ 08350
(856) 697-2600
Grades: 8-12
| 615 students
Cambridge School![Cambridge School Photo]( "Cambridge School Photo")
Special Education School
100 Straube Center Blvd
Pennington, NJ 08534
(609) 730-9553
Pennington, NJ 08534
(609) 730-9553
Grades: 1-12
| 137 students
Show 10 more private schools in New Jersey (out of 45 total schools)
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