The bands of British Columbia represent the governance of the First Nations. The support worker should be familiar with how the 198 bands in B.C. are structured. In some cases they have united in Tribal Councils or other organizations for certain purposes. Most bands have both a formal and informal structure of organization and it will help you greatly in your position to be awarer of both. It's important to know contact people in all First Nations governance organizations who can have an impact on your students.
Most bands have a person responsible for education.
In situations where a large number of your students come from a particular band this will be an important contact. Many school districts have an established organization that advises the district on First Nations education issues. How this is done and to what degree is specific to each school district. You should learn the activities and goals of this committee in your school district.