St. Catharines is the largest city in Canada's Niagara Region and the sixth largest urban area in Ontario, with 96.13 square kilometres (37.1 sq mi) of land and 133,113 residents in 2016. It lies in Southern Ontario, 51 kilometres (32 mi) south of Toronto across Lake Ontario, and is 19 kilometres (12 mi) inland from the international boundary with the United States along the Niagara River. It is the northern entrance of the Welland Canal. Residents of St. Catharines are known as St. Cathariners. St. Catharines carries the official nickname "The Garden City" due to its 1,000 acres (4 km2) of parks, gardens and trails.
St. Catharines is home to a wide variety of schools and educational opportunities at levels from junior kindergarten to graduate studies. There are four boards of education with elementary and secondary schools in the city, offering instruction in English, French or French immersion.
Brock University is situated in St. Catharines on a growing campus atop the Niagara Escarpment. Brock offers a multitude of degree options from unique faculties and institutes.
Niagara College, voted No. 1 for student satisfaction six years in a row, has campuses near St. Catharines in neighbouring Niagara-on-the-Lake and Welland.