For the 2026 school year, there are 3 private schools serving 238 students in Mountainside, NJ (there are 2 public schools, serving 748 public students). 24% of all K-12 students in Mountainside, NJ are educated in private schools (compared to the NJ state average of 14%).
The average acceptance rate is 75%, which is lower than the New Jersey private school average acceptance rate of 77%.
Private Schools in Mountainside, NJ (2026)
School
Location
Quick Facts
1020 Springfield Ave
Mountainside, NJ 07092
(908) 516-4231
Mountainside, NJ 07092
(908) 516-4231
Gr: 5-8 | 12 students Avg. class size: 5 students Sports: 1 | Extracurrculars: 7 Tuition & acceptance rate listed
Kohler Academy![Kohler Academy Photo Kohler Academy Photo]()

Special Education School
1137 Globe Ave
Mountainside, NJ 07092
(908) 518-0021
Mountainside, NJ 07092
(908) 518-0021
Gr: PK-12 | 35 students
Primrose School At Mountainside
Daycare / Preschool
1038 Springfield Ave
Mountainside, NJ 70922
(908) 228-5589
Mountainside, NJ 70922
(908) 228-5589
Gr: PK-K | 191 students
Frequently Asked Questions
How many private schools are located in Mountainside, NJ?
3 private schools are located in Mountainside, NJ.
What percentage of students in Mountainside go to private school?
24% of all K-12 students in Mountainside are educated in private schools (compared to the NJ state average of 14%).
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