Limestone is a public school district based in historic Kingston, Ontario. We have welcomed elementary and secondary students from around the world.for many years. Our homestay program is managed internally, allowing us to offer continuous support to our students both inside and outside of school. Whether it's for one semester to improve your English and experience Canadian culture, or to earn an Ontario diploma and prepare for college or university studies, Limestone offers an enriching educational experience and unparalleled student care.