The RSU 9 school board listens to public comment from a speaker at a Nov. 18 board meeting. Photo by Ben Hanstein.FARMINGTON — Regional School Unit 9 expects to receive an additional $161,000 in state revenue this summer as part of a one-time distribution aimed at helping districts with high percentages of economically disadvantaged students. Superintendent Christian Elkington announced the funding at this week’s RSU 9 (Mt. Blue Regional School …