Waterville Senior High School, also known as Waterville High School or WSHS, is a public high school in Waterville, Maine, United States, serving students in grades 9–12.

However, a bill signed into law by former Maine governor John Baldacci required communities to seek to consolidate their school districts or else face monetary penalties.

[6][7] Waterville Public Schools consolidated with the towns of Vassalboro and Winslow, Maine, to form Kennebec Valley Consolidated Schools to avoid the penalties laid out under the new law.

[8][9] Waterville Senior High School participates in the following Maine classifications: Waterville has won numerous Maine high school sports championships.

Waterville won one New England sports championship with boys' basketball in 1944.