Medomak Valley High School (MVHS) is a public high school in Waldoboro, Maine. The school was established in established in 1968, and educates grades 9–12. The school is part of the Regional School Unit #40, and serves the communities of the Medomak River valley.
Medomak Valley offers a variety of core courses and electives. The school offers AP Level Courses in English Literature, English Language, Human Geography, U.S. Government & Politics, U.S. History, Microeconomics, Macroeconomics, Calculus, Biology, Physics, and Studio Art. The school also offers a dual enrollment program with Thomas College in which students can earn college credit in a variety of courses including Composition I & II, Literature, Literature & Society, Calculus, Quantitative Analysis, U.S. History, Psychology, Criminal Justice, and Sociology. Medomak Valley also offers Horticulture courses that support the internationally recognized Medomak Valley Heirloom Seed Project. The project was listed as a "117 Projects to Watch in 2017" project by foodtank.com.