For the 2026 school year, there are 3 private schools serving 238 students in Mountainside, NJ (there are , 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%).
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
7 extracurriculars
12 extracurriculars
Average Number of Sports
1 sports
7 sports
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%).
Discover how middle鈥慽ncome families are affording private school tuition in 2026 with scholarships, budgeting, financial planning, and emerging support strategies.
