Big East Basketball Mount Desert Island High School (MDIHS) is a public high school in Bar Harbor, Maine, United States.

It was established in 1968 and is part of the Mount Desert Island Regional School District.

[3] After the consolidation, students from the three high schools stayed in cliques according to geographic area.

[7] The school achieved the following state championships: The school fields three vocal ensembles a concert choir and two competitive show choirs: a mixed-gender group and the all-female "Trojan Trebles".

[21] In 2008 and 2011 the school's pep band performed in the London New Years Day parade.