| East Alton–Wood River High School | |
| Streetaddress: | 777 N. Wood River Avenue |
| City: | Wood River, Illinois |
| Zipcode: | 62095 |
| Country: | United States |
| Coordinates: | 38.8714°N -90.0979°W |
| District: | 14 |
| Superintendent: | Rob Miller [1] |
| Principal: | Leigh Robinson |
| Ratio: | 17.56 |
| Teaching Staff: | 34.05 (FTE) |
| Schooltype: | high school |
| Type: | Public[2] |
| Gender: | Coed |
| Grades: | 9–12 |
| Campus Type: | Suburban/Urban rural fringe |
| Athletics: | Illinois High School Association |
| Conference: | Cahokia Conference (beginning in 2021-2022 |
| Fightsong: | Oiler Loyalty |
| Motto: | Do great things |
| Rival: | Roxana High School |
| Mascot: | Oiler Dan |
| Team Name: | Oilers |
| Colors: | Maroon and gold |
| Newspaper: | Oiler Times |
| Founded: | 1919 [3] |
| Enrollment: | 598 (2018-19)[4] |
East Alton–Wood River High School is a public high school located in Wood River, Illinois, United States. The mascot is the Oilers which dates back to the time where the main employer was Standard Oil Company. The principal is Leigh Robinson, assisted by Mr. Gockel, and Dean / AD Mark Beatty. The superintendent is Rob Miller. Notable alumni include 2024 Olympian Jayden Ulrich (Class of 2021), NFL referee Gary Lane (Class of 1961), and broadcaster Dewayne Staats (Class of 1970).