Sydenham High School
Address
2860 Rutledge Road Sydenham , Ontario , K0H 2T0 Canada
Coordinates	44°24′25″N 76°36′00″W / 44.407°N 76.6°W / 44.407; -76.6
Information
School type	Secondary
Motto	Spirit, Heritage, Success (Ludum Facite)
Founded	1872
School board	Limestone District School Board
Principal	Roxanne Saunders
Grades	9-12
Enrollment	850
Language	English, Extended French
Area	Sydenham, Ontario
Colour(s)	Red and Gold
Mascot	Golden Eagle
Team name	Golden Eagles
Website	sydenhamhs.limestone.on.ca

Sydenham High School is located about 20 minutes north of Kingston, Ontario in the village of Sydenham, Ontario adjacent to Loughborough Public School. It is part of the Limestone District School Board.

Sydenham High School was first established in 1872 and proposed to serve the whole county. During the early years, it was called the Sydenham and Frontenac County Grammar School and managed by a County Board of Trustees. Each year the number of attending students increased until students from outside the county were required to pay fees so that the school could afford to hire a fourth teacher.

In 1927 the school hired its first bus from a private owner to service the Harrowsmith area. By 1947, it was clear the school building needed an expansion to accommodate its growing population, and by 1952 additions cost an estimated $17,000.

Sydenham High School continues to be a well-established rural institution that today services almost 1000 students. Following its motto "Spirit, Heritage, Success', the school continues to pride itself on its community and history.

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