Tri-Valley High School, located in Dresden, Ohio, is the high school for the Tri-Valley Local School District, a public school district encompassing northwest and north central Muskingum County, Ohio.

As of November 2014 the Tri-Valley High School boys soccer team has held the MVL (Muskingum Valley League) title for fourteen consecutive years, from 2000 to 2013.

The Tri-Valley High School Marching Band has qualified for OMEA State Competition for 38 consecutive seasons.

(Marching band also got a superior at state for the 2019 season) The Tri-Valley 2017 Football team was the state runner-up for the 2017 OHSAA MVL Season.