Stockton High School, or SHS, is a public four-year high school located at 540 North Rush Street in Stockton, Illinois, a village in Jo Daviess County, Illinois, in the Midwestern United States.

[4] Additionally, in 2019, Stockton ranked as the 5,757 best school in the United States, and 190 in Illinois based on U.S. News & World Report.

The school has 6 state championships on record in team athletics and activities: Boys Football in 1979–1980 (2A) and 1991–1992 (1A), and Music in 2011–2012, 2012–2013, 2013–2014, and 2014–2015.

Historical records suggest that while surrounding communities may have once had their own high schools, these have either closed or were integrated into other districts long before recent decades.

The school’s longstanding role in the community highlights its importance as a stable and central educational institution in Jo Daviess County.