Orono High School is a high school in Orono, Maine, United States. Founded in 1915, it is the only high school in Regional School Unit 26.
it takes high school students who graduated from Indian Island School.
The first class graduated from Orono in 1885, and a new school building was opened in the first years of the 20th century.
Orono's athletic teams are nicknamed Red Riots. The football team competes in the North Little Ten Conference.
<nowiki>*</nowiki>denotes championship was a co-championship<br>**denotes championship was part of a co-op team with Old Town High School
OHS has a competitive show choir. It won the Maine state championship in 2019.