Welcome to Islesboro Central School.

A small School with a big heart.

A community dedicated to educational excellence

For curious minds of all kinds

Young girl sitting on the floor, reading a book, with her legs crossed, inside a room with dark wood panel walls.
Sailing boats with sails on a body of water under a cloudy sky, with some people sailing and others nearby.
Islesboro Central School students sitting at tables in a bright library room with large arched windows and bookshelves.
Islesboro Central School students visiting Hurricane Island. Students on rocky shoreline near water, wearing rain gear and waders, involved in a clam digging or shellfish harvesting activity, with boats and trees in the background on a cloudy day.
Children and adults gathered around a table in a classroom with books, art supplies, and decorations, engaged in art activities.
A young person looking into a microscope while sitting at a wooden table in front of a computer monitor, with a wooden paneled wall in the background.
Two young male basketball players competing for the ball during a game on an indoor court.
Five people on a boat, two women and three young men, are closely observing and handling a large oceanic creature with a bulbous head and long tentacles, possibly a giant squid or octopus, over a plastic container. The boat is on the water with a sho
Three children near a yellow school bus, with two of them handling a crate of apples, in a parking lot on a sunny day.
Group of young people and an adult working with plants and flowers inside a greenhouse.

In the top 10% of all maine public schools*

*Based on test scores

100%

Graduation Rate

Niche Best Schools award badge for 2026 with a green seal and two blue ribbons.

#11 Best STEM High schools in Maine

100%

College Acceptance Rate

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10/10

top 10% of Schools

5:1

Student - Teacher ratio

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9/10

Test Score rating

10/10

college readiness rating

Top 1% in Maine

Spending per student

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Dedicated to Educational Excellence, for all kinds of Learners

​At Islesboro Central School, our goal is to provide opportunities for all students to pursue their unique talents. We believe all students deserve individual attention and a strong educational foundation to prepare them for life in the 21st century. The community and setting offer unique resources that give students an advantage in College and beyond. The results speak for themselves, with a graduation rate and college placement rate of 100%, Islesboro graduates are routinely accepted at some of the top colleges and universities in the nation. The school builds on traditional island values of self-reliance, civic-mindedness, neighbor-helping-neighbor, tolerance, ingenuity, conservation, and stewardship to prepare its students for a lifetime of success.

Students sitting in a classroom paying attention, with posters on the bulletin board behind them.

Academics

Islesboro Central School, and the entire Islesboro community, is dedicated to educational excellence for all kinds of students. With a student - teacher ratio of 5:1, every student receives individual attention, and faculty have the flexibility and freedom to engage each student in the ways that fit them best. ICS offers a variety of unique programs and individualized curriculum, to excellent result.

Four young girls in blue track uniforms standing outdoors on a sunny day, smiling, with a school field and other people in the background.

Extracurriculars

At Islesboro Central School, students have the chance to explore their passions, build leadership skills, and be part of something bigger. Whether it’s athletics, music, or student-led initiatives, there’s a place for everyone to get involved.

People walking on the deck of a cruise ship, approaching the entrance to the ship named ISLESBORO, with a large black ship horn and various antennas on top, and safety equipment on the sides.

Magnet Student Program

Through the Magnet Student Program, students from the mainland can attend Islesboro Central School. Magnet students commute to the island daily via the ferry, and bring diversity and new perspectives to the student body, while integrating into the unique island community.

A woman with short brown hair leaning over a laptop, wearing a cream-colored knit sweater, in a room with bookshelves and art supplies in the background.

Faculty & staff

Faculty and staff at ICS are invested in students far beyond the classroom. Whether it’s sharing the daily ferry commute, or interacting outside of school on the island, these personal relationships support and inform the entire school community.