Originally published in 1913, this book charts the development, growth and legacy of the schools of the Jansenists of Port-Royal based in Paris. The Port-Royalists used many innovative teaching methods in the years before they were closed down in the mid-seventeenth century, such as their use of the vernacular and their views on the role of the teacher, and Barnard examines the place that the Port-Royalists held in the context of French education more generally to illustrate their lasting influence on other schools. This book will be of value to anyone with an interest in Jansenism and the history of education.