Thornton Middle School may refer to:
International School at Thornton Middle, part of the Adams 12 Five Star Schools in Thornton, Colorado Thornton Middle School, part of the Cypress-Fairbanks Independent School District in Harris County, Texas Thornton Middle School, part of the Fremont Unified School District in Fremont, California Ronald Thornton Middle School, part of the Fort Bend Independent School District in Sienna Plantation, Texas