Milford High School (also known as MHS) is the secondary school for the district of Milford, Massachusetts, Milford Public Schools. It is one choice for Milford students to attend high school. Another is Blackstone Valley Regional Vocational Technical High School. As seen on the side, the principal is Mrs. Carolyn Banach, the former assistant principal of House A, and the assistant principals are Mr. Mark McGillivray (House A) and Mr.