sentences:  Nashua High School (as the south campus was referred to prior to the split in 2004) has been located at three different locations throughout the city, originally at a location at Spring Street, followed by the building that is now Elm Street Middle School, before finally coming to the current location on Riverside Drive.Prior to the 2002/2003 school year, the Nashua school district followed a less standard placement system, which had the high school comprising grades 10 (sophomore) through 12 (senior), with grade 9 (freshman) being placed in with the city's three junior high schools (now following the middle school system/curriculum).During the 2002/2003 and 2003/2004 school years, juniors and seniors attended classes at the newly constructed Nashua High School North campus, while sophomores attended school at the South location while it was being renovated.