The Lambton Kent District School Board is the school board responsible for public education in Lambton County and Chatham-Kent, Ontario, Canada. Lambton and Kent Counties are made up of numerous small towns and communities situated in Southwestern Ontario, a geographic area surrounded by the Great Lakes.

Sarnia is a city in Lambton County, Ontario, Canada. It had a 2021 population of 72,047, and is the largest city on Lake Huron. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes, where Lake Huron flows into the St. Clair River in the Southwestern Ontario region, which forms the Canada–United States border, directly across from Port Huron, Michigan.