Grammar school

John Oldershaw founded the school in 1920, and it opened on 11 September 1920. Extensions to the school were opened on 4 June 1926. The first headteacher was Mr. H.G. Mayo, M.A. It was administered by the County Borough of Wallasey. By 1968 it had 700 pupils. Wallasey Grammar School was a separate establishment based on Withens Lane, which moved to Leasowe in 1967 and is now The Kingsway Academy (formerly The Wallasey School).

Comprehensive

Initially having separate sections for boys and girls, with segregated teaching except for 'A' Level courses, Oldershaw became a comprehensive school in 1968, initially retaining the name of Oldershaw Grammar School although for ages 13–18.

The school then included four 'houses': Durham, York, Lancaster and Chester. Prior to this the houses of the boys' grammar school were defined as colours: Blue, Gold, Red and Green whilst the girls' high school houses were Oak, Fir, Beech and Elm.

Wirral Education Authority rationalised their middle school system in 1982, and added an extra year to primary schools (Now referred to as Year 6) and two years into secondary schools (Years 7 and 8). To accommodate these two extra years Oldershaw was expanded to include a Lower School (opening in September 1982), under K. R. M. Williams, at the site of the old St. Hilda's School in Ormond Street; it was later moved to the same site as the main school in time for the autumn term of 2000, and the Lower School site was demolished to make way for new housing.

The school has undergone major developments.^{[citation needed]} The original sixth form building was demolished to make way for a new main entrance building.^[2]

The Oldershaw Academy

On 30 June 2011 The Oldershaw School became an academy.