def get_grading_standards_for_course(self, course_id):
        """
        List the grading standards available to a course
        https://canvas.instructure.com/doc/api/grading_standards.html#method.grading_standards_api.context_index
        """
        url = COURSES_API.format(course_id) + "/grading_standards"

        standards = []
        for data in self._get_resource(url):
            standards.append(GradingStandard(data=data))
        return standards