The combined colleges maintain their separate identities and offer A-level and Vocational education.
The college opened in September 1920 as Southport Municipal Secondary School for Boys.
New buildings were constructed at the current site on Scarisbrick New Road in 1926, in preparation for a reopening by the Earl of Derby on 16 October of that year, when the institution was rechristened King George V Grammar School.
The report cited a lack of effective leadership and severe staff cuts as reasons for its poor findings.
In June of the following year, Ofsted upgraded the college's 'inadequate' grade after a second report announced significant improvement.