de Havilland Aeronautical Technical School

The curriculum widened to cover the design, manufacture, and operation of aircraft in general.

In 1940, the School was bombed by the Germans in a World War II raid and it was forced to move to Welwyn Garden City nearby.

It then transferred to Salisbury Hall in 1941, now the location of the de Havilland Aircraft Museum.

In 1963, the de Havilland company became part of Hawker Siddeley Aviation and the School was renamed to become the Hawker Siddeley Aviation (Hatfield) Apprentice Training School in 1965.

Later it became part of Hatfield Polytechnic and then the University of Hertfordshire, moving to the College Lane campus.