| Thomas Jefferson High School | |
| Streetaddress: | 4145 Samuelson Road |
| City: | Rockford |
| State: | Illinois |
| Zipcode: | 61109 |
| Country: | United States |
| Coordinates: | 42.2071°N -89.0378°W |
| District: | Rockford Public School District 205[1] |
| Superintendent: | Ehren Robert Jarrett[2] |
| Principal: | Donald Lee Rundall[3] |
| Teaching Staff: | 101 |
| Ceeb: | 143712[4] |
| Avg Class Size: | 18 |
| Act: | 17.5[5] |
| Schooltype: | Public Secondary |
| Grades: | 9–12 |
| Gender: | Coed[6] |
| Campus Type: | Mid-size City |
| Conference: | Northern Illinois Conference (NIC-10)[7] |
| School Colors: | Red White Gold[8] |
| Motto: | Strive to be Respectful, Responsible, and Safe. |
| Mascot: | J-Hawk |
| Nickname: | J-Hawks |
| Yearbook: | Flight |
| Newspaper: | The Times |
| Established: | 1969 |
| Enrollment: | 1,718 (2018-19)[9] |
| Ratio: | 17.20 |
| Staff: | 99.89 (FTE) |
| Homepage: | Official School Website |
| Fightsong: | Notre Dame Victory March |
Thomas Jefferson High School (commonly referred to as Jefferson High School, Rockford Jefferson, or JHS) is a public coed four-year high school, in Rockford, Illinois, United States. The school serves the city of Rockford and the neighboring villages of Cherry Valley, Illinois and New Milford, Illinois. The school is named after the third President of the United States, Thomas Jefferson.
Jefferson High School's mascot is the J-Hawk. The official school colors are red, white, and gold.[10]
Jefferson High School is a member of the Northern Illinois Conference (NIC-10) and participates in state championship tournaments sanctioned by the Illinois High School Association (IHSA).[11]
The following competitive teams won their respective IHSA sanctioned state championship tournament:
The following competitive teams won their respective IHSA sanctioned state championship tournament: