Graduating Sisters High seniors to get banners for second year More than 100 students will likely have banners on display at the end of May SISTERS, Ore. (KTVZ) -- For the second year in a row, Citizens4Community will be hanging banners around town to salute this year's graduating Sisters High School seniors, the Class of 2021. “We wanted to recognize again that the community is proud of them and we are excited that they are graduating,” Linda Cline, the Citizens4Community executive director, said Wednesday. Cline told NewsChannel21 this year's project has been more of a team effort; from teachers helping to donations from local businesses.