Private Secondary Schools locations near Mendham, NJ

Showing 1–8 of 8 results

We track 8 private secondary schools listings in and around Mendham, NJ, spread over 7 ZIP codes. Listings here were last checked in Oct 2026.

Randolph TWP Of-Randolph TWP School District- High School

Private Secondary Schools

📍 Millbrook Ave, Randolph, NJ, 07869

📞 973-361-2400

Updated Oct 2026

Watchung Hills Regional High School

Private Secondary Schools

📍 108 Stirling Rd, Warren, NJ, 07059

📞 908-647-4800

🌐 whrhs.org

Watchung Hills Regional High School is a private secondary school located in Warren, New Jersey. The school has an active online presence as of 2026, indicating ongoing engagement with the community. It serves students in the region, providing education and extracurricular opportunities.