
Katahdin Middle/High School is proud to announce the induction of seven new members into the National Honor Society (NHS). This prestigious organization recognizes students who have demonstrated excellence in the areas of scholarship, leadership, service, and character. These attributes reflect the core values that the NHS upholds and inspires throughout our school community.




Wednesday, April 9th is an early release day.


🎓✨ Senior Highlights✨🎓


🎉 Congratulations to our students who have been nominated as the Portland Sea Dogs Most Improved Students! ⚾️
Their hard work and dedication throughout the year have truly stood out. As a special honor, they've been invited to attend a Sea Dogs Game where they'll be recognized for their incredible efforts. 🙌
Way to go - We're so proud of you! 👏


Due to weather, RSU 89: Katahdin Schools will be closed today~Thursday, April 3, 2025.

🎓✨ Senior Highlights ✨🎓


🎓✨ Senior Highlights ✨🎓


RSU 89/Katahdin Schools will have a 2 hour delay this morning, Monday ~March 31, 2025.

🎓✨ Senior Highlights ✨🎓


Students learned about wilderness survival with Katahdin Learning Project. KLP shared essential needs for when you are out in the weather for long periods of time ranging from the importance of shelter to the advantages of dressing in layers.




🎓✨ Senior Highlights ✨🎓


🎓✨ Senior Highlights ✨🎓


🎓✨ Senior Highlights ✨🎓


ESOL Teacher


KMHS Cougar News: March Edition



🎓✨ Senior Highlights ✨🎓


🎓✨ Senior Highlights ✨🎓


Check out our third grade students involved in authentic learning experiences.





🎓✨ Senior Highlights ✨🎓


🎓✨ Senior Highlights ✨🎓
