Timothy Christian is a private Christian school for students in pre-kindergarten through twelfth grade, located in Piscataway in Middlesex County, in the U.S. state of New Jersey.

The campus of Timothy Christian School, founded in 1949, consists of nine buildings, which used to be called Camp Kilmer. The school is an "interdenominational evangelical independent school that is fully accredited by ACSI and Middle States." The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 2003 and its current accreditation expires in July 2023.

As of the 2021–22 school year, the school had an enrollment of 353 students (plus 17 in PreK) and 39.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 9:1. The school's student body was 37.1% (131) Black, 26.1% (92) White, 20.4% (57) Hispanic, 16.1% (57) Asian and 0.3% (1) American Indian / Alaska Native.

Athletics

The Timothy Christian School Tigers compete in the Greater Middlesex Conference, which comprises public and private high schools in the county and operates under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA). School colors are blue and gold.