All students participating in any extracurricular activity will need to have information registered in the Rank One website. If your child participated in an MDIRSS-AOS91 extra...

Here is the full 2026-2027 School Calendar (PRINT) This calendar can also found in the Documents folder on our website.

“We Want Answers” is a student-run podcast. The purpose is to give a voice to not only students but the whole MDIHS community. Each episode surrounds a specific topic tackled ...

Welcome to the Mount Desert Island High School Osprey Cam (3.0) ! For the third year; EarthCam, Versant, and MDI High School have partnered to bring you live streaming views of ...

Please click here to see the most up to date school bus schedule!

Artificial intelligence (AI) is here to stay. And, it can be a powerful partner in pedagogy, productivity, personalized learning, and progress. But with all the AI out there, how ...