In 1920, Procter and his close friend Harold Harvey set up a school of painting of their own in Newlyn, offering tuition in oils and watercolour, studying the Figure, Still Life and Landscape.
Dod and Ernest Procter were among those who painted religious scenes for the church of St. Hilary (near Penzance), at the request of Rev. Bernard Walke. These can still be seen there today.
In 1934, Procter was appointed Director of Studies in Design and Craft at Glasgow School of Art. He retained his base in Cornwall and continued to exhibit all over the country. Having long suffered from high blood pressure, the combined stress of the job and the travel doubtless contributed to his tragically early death, aged forty-nine, only a year later in 1935.