Armstrong is an advocate for Indigenous people's rights and focuses her research on the revitalization of Indigenous communities and culture.[12] She has served as a Canada Research Chair (CRC) in Indigenous Philosophy and is involved in a number of committees that reflect her beliefs in educating future Indigenous generations on traditional Indigenous knowledge.[12]
Armstrong is part of the Canada Research Chair (CRC) in Okanagan Indigenous Knowledge and Philosophy, and her aim is to bring awareness to the stories of the Syilx Okanagan first nations communities, which pertains to a large amount of indigenous knowledge that is overlooked and majorly inaccessible.[13]
She has contribute articles[14] and is a consultant[15] to the Center for Ecoliteracy in Berkeley, California. This foundation encourages education that develops sustainable patterns of living. She has acted as a consultant to social and environmental organizations such as the Centre for Creative Change, Esalen Institute, Omega Institute, and the World Institute for Humanities at Salado ("Awardee").
As a campaigner for Aboriginal rights, Armstrong serves as an international observer to the Continental Coordinating Commission of Indigenous Peoples and Organizations. She was named as one of seven Indigenous Judges to the First Nations Court of Justice called by the Chiefs of Ontario and to the Council of Listeners in the International Testimonials on Violations of Indigenous Sovereignty for the United Nations ("Awardee").
