Oyster River High School | ORHS

A photo of Astronaut and alum Scott Poteet giving a presentation in an Astronomy class at ORHS.

ORHS (Grades 9-12)

Welcome to Oyster River High School!

Oyster River High School promotes a safe and nurturing community where the uniqueness of each member is valued. We are committed to becoming educated, ethical, responsible citizens who strive to contribute positively toward the betterment of ourselves, our school, society and world.

A graphic showing both MastWay and Moharimet schools logos with the caption: Kindergarten Registration.

2025-2026 Kindergarten Registration

The ORCSD kindergarten registration for the 2025-2026 school year will begin on January 28, 2025.

2025 Assistant Principal of the Year

2025 Assistant Principal of the Year

Congratulations to Mrs. Perron for being named the 2025 Assistant Principal of the Year by NHASP!

A photo of Grace, Dawen, Anna, Amalie, and Sadie standing in front of the hot cocoa station in the cafeteria.

December 4 Coding and Cocoa

On December 4, ORHS students enjoyed coding activities followed by a cup of hot cocoa. Thank you to our baristas: Grace, Dawen, Anna, Amalie, and Sadie.

A photo of students performing during Coffee House on November 8, 2024.

Coffee House Nov. 8, 2024

Coffee House celebrates the quarterly launch of award-winning student publication Mouth of the River (MOR).

Bob D. Bobcat and Superintendent Shaps standing in front of the Todd Allen Field at ORHS

2024 ORHS Field Day Celebration

Bob D. Bobcat and Superintendent Shaps cheering on students during the October 4 spirit day.

A photograph of Doris Demers during the February 4 ceremony addressing the ORCSD School Board and crowd in the Morse Recital Hall at Oyster River Middle School.

2025 Distinguished Service Award

February 4, 2025

Retired ORCSD Child Nutrition Director Doris Demers was recognized on February 4, 2025,...

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Feb. 19 Information Session

January 29, 2025

Dear Oyster River Community, This year on voting day, you will notice that ORC...

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NEW 1-Hour Delay Option for Inclement Weather

January 28, 2025

Dear Oyster River Students, Staff, Parents, Caregivers, and Community Members, &n...

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FY26 and Capital Plan Information

January 27, 2025

Dear Oyster River Community, The ORCSD FY26 operating budget will be...

2025-2026 Kindergarten Registration Information

January 21, 2025

View the flyer. Dear Oyster River Parents, Caregivers, Community Members, We are ...

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23 ORHS Students Receive Scholastic Awards

January 16, 2025

Updated 02/07/2025: All work submitted to the Scholastic Art Awards will be exhibi...

A photo of Susan Leifer.

Mast Way Educator Receives Presidential Award

January 15, 2025

This article was updated on January 23, 2025, with the official ORCSD press release. ...

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2024-2025 Seal of Biliteracy Information

January 15, 2025

Dear Oyster River High School Seniors and Families, The Oyster River Coo...

Important Dates to Remember

January 14, 2025

Important Dates to Remember January 22nd through *January 31st until *5:00 PM - F...