TheColonial Conference is an athletic conference consisting of publichigh schools located inCamden County andGloucester County,New Jersey, United States. The Colonial Conference operates under the aegis of theNew Jersey State Interscholastic Athletic Association. It was first established in1945, and today it is composed of two divisions: Patriot and Liberty.
For the 2020-21 school year,Overbrook High School returned to theTri-County Conference, after being a member of the Colonial Conference from 2008 to 2020.Gloucester City Junior-Senior High School left the Tri-County Conference and took the spot left vacant by Overbrook.[1]

| School | Location | School District | Team Name | Classification |
| Liberty Division | ||||
| Collingswood High School | Collingswood | Collingswood Public Schools | Panthers | Group II |
| Gloucester City High School | Gloucester City | Gloucester City Public Schools | Lions | Group I |
| Haddon Heights High School | Haddon Heights | Haddon Heights School District | Garnets | Group II |
| Haddonfield Memorial High School | Haddonfield | Haddonfield Public Schools | Bulldawgs | Group II |
| Sterling High School | Somerdale | Silver Knights | Group II | |
| West Deptford High School | West Deptford Township | West Deptford Public Schools | Eagles | Group II |
| Patriot Division | ||||
| Audubon High School | Audubon | Audubon School District | Green Wave | Group II |
| Gateway Regional High School | Woodbury Heights | Gators | Group I | |
| Haddon Township High School | Haddon Township | Haddon Township School District | Hawks | Group I |
| Lindenwold High School | Lindenwold | Lindenwold Public Schools | Lions | Group I |
| Paulsboro High School | Paulsboro | Paulsboro Public Schools | Red Raiders | Group I |
| Woodbury Junior-Senior High School | Woodbury | Woodbury Public Schools | Thundering Herd | Group I |