Holland-on-Sea Cliff terraces can be attributed to the Anglian glaciation, they provide a fixed point for correlation other Anglian sequences in southern Britain and on the Continent. The site is a short stretch of the slope between the Esplanade and the Promenade, opposite Haven Avenue. No geology is visible. Holland-on-Sea Cliff Holland-on-Sea Cliff is a 0.1 hectare geological Site of Special Scientific Interest in Holland-on-Sea, north-west of Clacton-on-Sea in Essex. It is a Geological Conservation Review site. This site is of great importance in understanding the evolution of the London Basin, and it is the type site for two different gravels. The
Clacton Coastal Academy 1953, a new building on the west side of Pathfields Road was opened as the 'Clacton County Secondary School for Girls' with Miss Lawrence as Headmistress. The original building on the east site became the 'Clacton County Secondary School for Boys' with Mr K. Portman as Headmaster. In September 1973 the two schools were amalgamated to form Colbayns High School under the headship of Mr. D. King. He was succeeded by Mr. J. Midgley in 1984. In 1988, Mr. John Holt, who joined the staff in 1964, became Headmaster. With the Governing Body, he saw the school through into successful