Cedar Hill Prep School Photo - Cedar Hill Prep School, an IB Candidate School in Somerset, NJ, serves students from 23 towns across the New JerseyPennsylvania region. With a strong focus on the International Baccalaureate curriculum, we provide a rigorous, student-centered education that fosters academic excellence, critical thinking, and global awareness from Preschool through Grade 8.

Best Middlesex County Private High Schools (2025-26)

For the 2025-26 school year, there are 15 private high schools serving 4,886 students in Middlesex County, NJ.
The top ranked private high schools in Middlesex County, NJ include The Wardlaw+Hartridge School, Saint Joseph High School, and An-noor Academy.
The average acceptance rate is 81%, which is higher than the New Jersey private high school average acceptance rate of 73%.
82% of private high schools in Middlesex County, NJ are religiously affiliated (most commonly Jewish and Islamic).

Top Ranked Middlesex County Private High Schools (2025-26)

School
Location
Quick Facts
St. Thomas Aquinas High School
St. Thomas Aquinas High School Photo
(Catholic)
(1)
1 Tingley Ln
Edison, NJ 08820
(732) 549-1108
Gr: 9-12 | 561 students Avg. class size: 20 students Sports: 17 | Extracurrculars: 29 Tuition listed
The Wardlaw+Hartridge School
The Wardlaw+Hartridge School Photo - Excellence in academics!
(13)
1295 Inman Ave
Edison, NJ 08820
(908) 754-1882
Gr: PK-12 | 449 students Avg. class size: 14 students Sports: 11 | Extracurrculars: 23 Tuition & acceptance rate listed
Al-Minhaal Academy
(Islamic)
(1)
232 E. Front St.
Plainfield, NJ 07060
(908) 500-2706
Gr: NS-12 | 317 students Sports: 1
An-noor Academy
Special Program Emphasis (Islamic)
(3)
1000 Hoes Lane
Piscataway, NJ 08854
(732) 667-5300
Gr: PK-12 | 388 students Avg. class size: 15 students Sports: 1 | Extracurrculars: 12
Calvary Christian School
Calvary Christian School Photo
(Christian)
(2)
123 White Oak Lane
Old Bridge, NJ 08857
(859) 744-0817
Gr: PK-12 | 468 students Avg. class size: 19 students Sports: 7 | Extracurrculars: 10 Tuition listed
Noor-ul-iman School
(Islamic)
(1)
4137 Us Highway 1
Monmouth Junction, NJ 08852
(732) 329-1800
Gr: PK-12 | 493 students Tuition listed
Saint Joseph High School
All-boys (Catholic)
(4)
145 Plainfield Rd
Metuchen, NJ 08840
(732) 549-7600
Gr: 9-12 | 599 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 30 Tuition & acceptance rate listed
Timothy Christian School
Timothy Christian School Photo - At Timothy Christian School, high school students mentor elementary students and develop sweet friendships.
(Christian)
(27)
2008 Ethel Rd
Piscataway, NJ 08854
(732) 985-0300
Gr: PK-12 | 448 students Avg. class size: 18 students Sports: 8 | Extracurrculars: 13 Tuition & acceptance rate listed
Darul Arqam School
Darul Arqam School Photo - Middle School Science Olympiad
(Islamic)
(1)
8 Thomas Street
South River, NJ 08882
(732) 238-0038
Gr: PK-12 | 202 students Avg. class size: 22 students Sports: 9 | Extracurrculars: 6 Tuition listed
Gateway School
Special Education School
(1)
60 High St
Carteret, NJ 07008
(732) 541-4400
Gr: 2-12 | 30 students
Lake Nelson Sda School
(Seventh Day Adventist)
555 S Randolphville Rd
Piscataway, NJ 08854
(732) 981-0626
Gr: PK-12 | 239 students Tuition & acceptance rate listed
New Road School Of Parlin
Special Education School
3071 Bordentown Ave
Parlin, NJ 08859
(732) 238-7700
Gr: 4-12 | 20 students Avg. class size: 12 students Tuition & acceptance rate listed
Our Lady Of Fatima School
(Catholic)
499 New Market Rd
Piscataway, NJ 08854
(732) 968-5555
Gr: K-9 | 154 students
Rabbi Jacob Joseph School
All-boys (Jewish)
1 Plainfield Ave
Edison, NJ 08817
(732) 985-6533
Gr: 9-12 | 96 students
Reenas Bais Yaakov
All-girls (Jewish)
1131 Raritan Ave
Highland Park, NJ 08904
(732) 985-5646
Gr: 9-12 | 88 students
[+] Show Closed Private Schools in Middlesex County, New Jersey

Middlesex County Private Schools (Closed)

School
Location
Quick Facts
310 Augusta St
South Amboy, NJ 08879
(732) 721-0748
Gr: 9-12 | 284 students
100 Hardenburg Ln
East Brunswick, NJ 08816
(732) 422-7066
Gr: K-9 | 152 students
80 David Street
South River, NJ 08882
(732) 257-5200
Gr: PK-8 | 158 students
890 Ridge Road
Monmouth Junction, NJ 08852
(609) 520-7501
Gr: PK-K | 86 students
Suite 1 399 Ridge Road
Dayton, NJ 08810
(732) 274-9631
Gr: NS-K | 150 students
1017 King Georges Post Rd
Edison, NJ 08837
(732) 738-0600
Gr: K | 21 students
230 Prospect Plains Rd
Monroe Township, NJ 08831
(609) 409-6787
Gr: PK-K | 60 students
Lil Big Ones (Closed 2025)
Daycare / Preschool
134 Durham Ave
South Plainfield, NJ 07080
(908) 757-2004
Gr: Inquire with school | 4 students
450 Drake Ave
Middlesex, NJ 08846
(732) 356-6560
Gr: K-9 | 217 students
1 Sacred Heart Dr
South Plainfield, NJ 07080
(908) 756-0632
Gr: K-9 | 199 students
45 Wilus Way
Iselin, NJ 08830
(732) 283-2824
Gr: PK-8 | 228 students
167 Somerset St
New Brunswick, NJ 08901
(732) 545-1482
Gr: K-9 | 121 students
192 Sandford Street
New Brunswick, NJ 08901
(732) 249-7753
Gr: K-8 | 177 students
175 Somerset Street
New Brunswick, NJ 08901
(732) 846-8046
Gr: 9-12 | 178 students
Somerset Hills School (Closed 2024)
All-boys | Special Education School
1275 Bound Brook Rd Ste 1
Middlesex, NJ 08846
(732) 469-6900
Gr: 3-11 | 75 students Avg. class size: 9 students
9 Stelton Road
Piscataway, NJ 08854
(732) 968-2152
Gr: NS-K | 69 students
216 Tingley Lane
Edison, NJ 08820
(908) 791-2812
Gr: K | 65 students
1715 Kenyon Ave
South Plainfield, NJ 07080
(908) 756-0556
Gr: 1-5 | 14 students
51 Park Ave
Piscataway, NJ 08854
(732) 235-0042
Gr: K-8 | 205 students
8998 State Route 18
Old Bridge, NJ 08857
(732) 952-8384
Gr: 9-12 | 22 students
40 Hampton St
Metuchen, NJ 08840
(732) 603-2005
Gr: PK-K | 14 students

Frequently Asked Questions

What are the top ranked private high schools in Middlesex County, NJ?
The top ranked private high schools in Middlesex County, NJ include The Wardlaw+Hartridge School, Saint Joseph High School, and An-noor Academy.
How many private high schools are located in Middlesex County?
15 private high schools are located in Middlesex County.
How diverse are private high schools in Middlesex County?
Middlesex County private high schools are approximately 51% minority students, which is higher than the New Jersey private school average of 39%.
What percentage of private high schools are religiously affiliated in Middlesex County?
82% of private high schools in Middlesex County are religiously affiliated (most commonly Jewish and Islamic).
Which private high schools in Middlesex County are often viewed compared to one another?
Popular comparisons of private high schools in Middlesex County include: Al-Minhaal Academy vs. An-noor Academy

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