In that year the Governors placed before the Secretary of State for Education and Science a proposal to build a mixed comprehensive school on a new site in Garston, Hertfordshire, which was approved in February 1977. The first intake of 1st Year students entered the Hertfordshire School in September 1977 and expanded by annual intakes until the full complement of forms from 1st Year (Year 7) to Upper Sixth (Year 13) had been achieved in September 1983. Parmiter's School in Garston was officially opened by Queen Elizabeth II on 11 December 1981, the year of the Tercentenary of Thomas Parmiter's bequest.