Private Schools in Mountainside, New Jersey

The Pingry School is a highly selective coeducational independent day school serving students from kindergarten through twelfth grade. With a rich history spanning over 160 years, Pingry offers a rigorous college preparatory curriculum with exceptional STEM programs, comprehensive arts education, and competitive athletics. The school features state-of-the-art facilities including science laboratories, performing arts centers, and extensive athletic complexes. Pingry consistently ranks among the top private schools in New Jersey, with graduates attending prestigious universities nationwide. The school serves families throughout Union County, including Mountainside residents.

Kent Place School is an independent all-girls day school serving students from pre-kindergarten through grade 12. Located just minutes from Mountainside in Summit, the school offers a challenging academic program with particular strengths in leadership development, STEM education, and global studies. The campus features modern academic buildings, science and technology labs, arts facilities, and athletic spaces. Kent Place emphasizes character education and community engagement while maintaining small class sizes and personalized attention. The school has a strong reputation for preparing young women for leadership roles and college success.

Oak Knoll School of the Holy Child is an independent Catholic school offering coeducational classes from kindergarten through grade 6 and all-girls education from grades 7-12. Located in nearby Summit, the school serves families from Mountainside and surrounding communities. Oak Knoll provides a balanced education combining rigorous academics with character formation in the Holy Child tradition. The school features excellent facilities including science labs, technology centers, art studios, and athletic facilities. With a strong college preparatory program and diverse extracurricular offerings, Oak Knoll prepares students for academic success and ethical leadership.