St. Marys River (Michigan–Ontario) St. Marys River (Michigan–Ontario) The St. Marys River (), sometimes written as the St. Mary's River, drains Lake Superior, starting at the end of Whitefish Bay and flowing southeast into Lake Huron, with a fall of . For its entire length it is an international border, separating Michigan in the United States from Ontario, Canada. The twin cities of Sault Ste. Marie, Ontario, and Sault Ste. Marie, Michigan are connected across the St. Marys River by the Sault Ste. Marie International Bridge. The St. Marys Rapids are just below the river's exit from Lake Superior and can be bypassed by
Sault Ste. Marie, Michigan middle schools, one in the Sault Ste. Marie School System known as Sault Area Middle School. Before the 6th grade annex was added in the late 1980s, the school was referred to as Sault Area Junior High School. The Second Middle School is a part of Joseph K. Lumsden Bahweting School, a Native American-affiliated Public School Academy. St. Mary's Catholic School serves students in grades K–8. There are several elementary schools in Sault Ste. Marie and the surrounding area, including Lincoln Elementary, Washington Elementary, Soo Township Elementary, in the Sault Ste. Marie School System. There is also a Public School