In 1981, Dr. Jeremy Packard became the sixth headmaster of Ridley. In 1981, the National Film Board of Canada released the documentary film "Ridley: A Secret Garden" about the School. In 1986, the first Chimes Challenge was held, a sprinting competition which remains an annual tradition. In 1989, as the school marked its 100th year, the Second Century Building was officially opened and dedicated as Ridley's primary science and arts facility. In the same year, Mr. Douglas Campbell became the seventh headmaster of Ridley.