See also The Chapin School for the school in Manhattan with the same name.

Chapin School is a private coeducational day school located in Lawrence Township, New Jersey, United States, serving students in pre-kindergarten through eighth grade situated on a 13-acre (53,000 m²) campus located 2 miles (3.2 km) outside of Princeton (which is the school's mailing address).

As of the 2022 school year, the school had an enrollment of 228 students and 42.1 classroom teachers (on an FTE basis), for a student–teacher ratio of 6:1

Chapin School in Princeton, New Jersey, is accredited by the Middle States Association of Colleges and Schools. The school is a member of the National Association of Independent Schools and the New Jersey Association of Independent Schools.