[1] He left Prahran West State School at age 12 and with the help of his brother was apprenticed at Brooks, Robinson & Co. Ltd, North Melbourne, designers and makers of stained glass.

[2][3] In 1938 after his mother's death, Shore sold the family home in Windsor and moved to Mount Macedon, and painted in its surrounding landscape.

[4] After a long-term relationship with an older woman and mourning her death,[4] he married Agnes Vivien Scott in 1950 and they moved to suburban Hawthorn.

From 1924 he abandoned Meldrum's tonalism and though he never left Australia and knew them only from reproductions,[5] adopted Post-Impressionist and styles of contemporary European artists.

[12] In 1947 Shore moved to Sydney, but the following year he returned to Melbourne where he was employed as Guide Lecturer, introducing visitors to the collection of the National Gallery of Victoria until 1957.

McCulloch[18] identifies a "freshness of colour, atmosphere and light and the lush texture of roughly laid on paint" as characteristic of his work, which featured prominently in the exhibition Classical Modernism: The George Bell Circle, at the National Gallery of Victoria in 1992.