D. S. Senanayake College is a leading public national school in Sri Lanka, named after the first Prime Minister of Independent Sri Lanka, Don Stephen Senanayake. It was established on February 10, 1967 under the stewardship of Ralph Ignatius Thomas "R. I. T." Alles. As a national school it is controlled by the central government, as opposed to a provincial council. D. S. Senanayake College is well known island-wide for it's discipline and is considered the best disciplined school in Sri Lanka. It's the only multi-ethnic tri-lingual school established in the post-independence era and is the largest multi-ethnic school on the island.