| Carthage Central High School | |
| Established: | 1945 |
| Type: | Public |
| Principal: | Emily Remington |
| Head Name: | Second Master |
| Head Name2: | Assistant Headmaster |
| Ratio: | 13.56 |
| Teaching Staff: | 67.02 (FTE) |
| Enrollment: | 909 (2018–19)[1] |
| Grades: | 9 - 12 |
| Streetaddress: | 36500 NYS Route 26 |
| City: | Carthage |
| State: | New York 13619 |
| Country: | United States |
| District: | Carthage Central School District |
| Colors: | Scarlet Red and Grey |
| Mascot: | Comet |
| Free Label: | Emblem |
| Yearbook: | Carthadian |
| Free Label 2: | Feeder schools |
| Free 2: | Black River, Carthage, and West Carthage elementary schools, Carthage Middle School |
| Free Label 3: | Tuition |
| Free 3: | None |
| Website: | https://hs.carthagecsd.org |
Carthage Central High School is located on a 123acres site in a rural geographic area of northern New York State, 40miles from the Canada–United States border, 6miles south of Fort Drum, 15miles east of Watertown, and 90miles northeast of Syracuse. The high school serves the villages of Carthage, West Carthage, Black River, Great Bend, Felts Mills, Deferiet, Deer River, Herrings and Natural Bridge along with a portion of the housing at the Fort Drum Army base. The population within this area is approximately 22,000. The high school is on Route 26, 1.5miles east from the intersection of Route 26 and Route 126 in West Carthage and serves an area of about 260sqmi. It maintains a population of about 950 for grades 9–12.