Henry Kendall High School is a co-educational comprehensive secondary day school, located in Gosford, in the Central Coast region of New South Wales, Australia.

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Established in January 1970, on the old Faunce Street site which was then a part of Gosford High School, the school enrolled approximately 790 students in 2018, from Year 7 to Year 12; six percent identified as Indigenous Australians and 21 percent were from a language background other than English. The school is operated by the NSW Department of Education; the principal is Andrew Backhouse.

In 2015, long time staff member, teacher and year advisor Gae Hobson retired after thirty years' of service.

• List of government schools in New South Wales: G–P
• Education in Australia

• Trend of Henry Kendall High School at Better Education