Acronym for the public school district in South (Washington) County, RI consisting a middle and high school, as well as a regional vo-tech, for students living in the towns of CHArlestown, RIchmond and HOpkinton.
The 'campus' consisting of the middle school, high school and regional vo-tech school, is located in Wood River Junction, which is a small village in Richmond.
Jokes about Chariho usually consist of references to potato or turf farms, depending on how long ago you went there.