[2]: 235 After attending Moulton College in Toronto, she studied at the MacDonald Institute in Guelph, Ontario graduating with a degree in household science.
[2]: 239 Dreger's career in politics began in 1940, when she attended a local meeting that resulted in the eventual founding of the Waterloo North Conservative Women's Association.
[2]: 235 [3][4] She ran as a candidate in riding of Waterloo North in a 1952 by-election to replace Louis Orville Breithaupt after his appointment as Lieutenant-Governor of Ontario and again in 1953 federal election.
[2]: 238 In addition to her political involvements and realty career, Janzen was an active member of the Kitchener community.
[6] Dreger was involved with the Kitchener Horticultural Society, serving at one point as president, and she was a member of the Benton Street Baptist Church.