Medfield High School is a 9–12 public high school in Medfield, Massachusetts, part of Norfolk County, Massachusetts, United States. It is one of five public schools in the school system, and the only public high school in Medfield. In 2019, U.S. News & World Report ranked Medfield as the 20th best High School in Massachusetts and number 610 nationally. The student to faculty ratio at the high school is 12.3-1, which is consistent with the state average of 12.9-1. There are 799 students at the school, 50.3% of which are male, 49.7% female.