Trinity Christian School (TCS) is a private, classical Christian school located in Montville, in Morris County, in the U.S. state of New Jersey.

Trinity Christian School includes elementary (K-6) and secondary (7-12) grades, offering education that is "biblically-based, academically excellent, and classical".

As of the 2021–22 school year, the school had an enrollment of 153 students and 20 classroom teachers (on an FTE basis), for a student–teacher ratio of 7.7:1.

The school's student body was 54.9% (84) White, 18.3% (19) Hispanic, 12.4% (19) Asian, 7.8% (12) Black and 6.5% (10) two or more races.

This New Jersey school-related article is a stub.