The Ho-Chunk Nation are a Native American tribe that owns a string of casinos across Wisconsin. Subscribe to The Guardian ► http://is.gd/subscribeguardian Ho-Chunk children get a share of casino profits once they've graduated and turned 18. It's called their 18 Money. When they finish high school, they get given $200,000 (£130,000). Journalist and film-maker Jenny Kleeman meets the Ho-Chunk kids of Black River Falls high school and their families as they graduate, along with tribal representatives and residents of Black River Falls, Wisconsin, to understand 18 Money and its impact.