Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lord Dorchester Secondary School is a Thames Valley District School Board Secondary School located in Dorchester, Ontario. Although small when compared to urban secondary schools, Lord Dorchester is larger than many rural-area schools. The student population hovers in the range of 500 to 600 students. Lord Dorchester is not an overly academic school, as it offers a range of non-academic courses such shop classes to go along with core subjects in mathematics, sciences, and the arts. The mascot of Lord Dorchester is the Canadian Beaver.