Denny International Middle School (DIMS) is a middle school in West Seattle, the southwest portion of Seattle, Washington. Operated by Seattle Public Schools. It is named for David T. Denny, one of Seattle’s early settlers and an early member of the Seattle School Board. The school shares a campus with Chief Sealth International High School (CSIHS) which provides a joint facility for students in grades 6-12. The school's student population is racially and culturally diverse and the programs offered reflect this.