Piner High School was built in 1966 in Santa Rosa, California.

[3] Piner High School opened with 10th, 11th, and 12th grades in the fall of 1966.

Before the first graduating class, William McCrossen, an adult, finished his high school education and was, in fact, the very first graduate of Piner High School.

[4] The class of 1975 was the last of the four-year courses until 1996 when Piner was re-established as a four-year high school to alleviate overcrowding of local middle schools.

Piner High School is a member of the North Bay League Oak and Redwood Divisions [5] of the North Coast Section of the California Interscholastic Federation Sports that Piner High offers are: