The institution was built and opened by Surrey County Council as Park Barn School in the late 1950s.

[6] In September 2012, Kate Carriett became Principal and in October of the same year Ofsted reported overall that the school Required Improvement, finding leadership and management in the second-highest of its four simple categorisations, Good.

[7][8] In September 2014, King's College became a sponsor-led academy under the governorship of the Guildford Education Partnership.

[9] In September 2016, the Guildford Education Partnership appointed Alastair McKenzie as Principal.

[11] As of 2024[update], the school's most recent inspection was in June 2024, with an outcome of Good.