| Chester High School | |
| Streetaddress: | 1901 Swanwick Street |
| City: | Chester, Illinois |
| County: | (Randolph County) |
| Zipcode: | 62233 |
| Country: | USA |
| Coordinates: | 37.92°N -89.8131°W |
| Superintendent: | Kimberly Briggs |
| Principal: | Jeremy Blechle |
| Teaching Staff: | 24.10 (FTE) |
| School Code: | 140625 |
| Classes: | − |
| Ratio: | 13.40 |
| Schooltype: | Public |
| Grades: | 9-12 |
| Language: | English |
| Campus: | Suborban |
| Hours In Day: | 8 am - 3 pm |
| Rival: | Trico Pioneers |
| Mascot: | Yellow Jacket |
| Sports: | Golf, cross country, football, volleyball, basketball, track, baseball, softball |
| Newspaper: | The Sting |
| Yearbook: | Summit |
| Students: | 323 (2022-2023)[1] |
| Gender: | Coeducational |
Chester High School is a public high school in Chester, Illinois, United States.