In 2015, the WSO welcomed the decision of the Supreme Court of Canada in the landmark case of Loyola High School, et al. v. Attorney General of Quebec, allowing the right of a Catholic school to teach the Christianity portion of the mandatory Ethics and Religious Culture (ERC) curriculum, from a faith-based perspective.
The WSO was granted intervener status in the case by the Supreme Court of Canada to present arguments on the question of whether religious freedoms for a collective/corporate body are protected under the Canadian and the Quebec Charters and on the larger question of the meaning of 'secularism' in the Canadian context. The WSO was the only non-Christian group to be granted intervener status in the Loyola case.
This decision helped to ensure that religious minority groups in Canada are protected from government interference in their internal functioning.