Immaculate Conception School Photo

Best Annandale Private Schools (2025-26)

For the 2025-26 school year, there are 3 private schools serving 417 students in Annandale, NJ (there are 2 public schools, serving 1,262 public students). 25% of all K-12 students in Annandale, NJ are educated in private schools (compared to the NJ state average of 14%).
The top ranked private school in Annandale, NJ is Immaculate Conception School.
33% of private schools in Annandale, NJ are religiously affiliated (most commonly Catholic).

Top Ranked Annandale Private Schools (2025-26)

School
Location
Quick Facts
Immaculate Conception School
Immaculate Conception School Photo
(Catholic)
(6)
314 Old Allerton Rd
Annandale, NJ 08801
(908) 735-6334
Gr: PK-8 | 310 students Avg. class size: 15 students Sports: 4 Tuition listed
Foundations Preschool
Daycare / Preschool
14 Lower West St
Annandale, NJ 08801
(908) 730-9195
Gr: PK-K | 107 students
Hunterdon Preparatory School
Special Education School
11 Spencer Lane
Annandale, NJ 08801
(908) 832-7200
Gr: 7-12 Avg. class size: 9 students

Frequently Asked Questions

What are the top ranked private schools in Annandale, NJ?
The top ranked private schools in Annandale, NJ is Immaculate Conception School.
How many private schools are located in Annandale?
3 private schools are located in Annandale.
What percentage of students in Annandale go to private school?
25% of all K-12 students in Annandale are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Annandale?
33% of private schools in Annandale are religiously affiliated (most commonly Catholic).

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