 Prior to 1961, the high school was located in Grass Valley.In the 2005-2006 school year, 242 of 602 seniors (40%) took the SAT, with average scores of 554 in Critical Reading (~65th percentile), 559 in Math (~63rd percentile), and 548 in Writing (~68th percentile).Nevada Union HS campus was opened at its current location in 1961 as a Senior High School (Grades 10-12).