From I-80:  From I-80 in Auburn, take the Highway 49 exit to Grass Valley. Go north on Hwy. 49 (approx. 25 miles) to the Dorsey Drive exit.  Turn left onto Dorsey Drive.  Continue straight through 2 traffic signals; the street name changes to Sierra College Drive.  Go straight through the roundabout and turn right (east) on Ridge Road. In 0.4 mile, Nevada Union High School will be on your right.  The main entrance is between the Miner statue and the marquee.