 Again, in 1967, the growth of the community and increased enrollment resulted in an addition to the NCHS building.This included another new gymnasium (Neuman), a new cafeteria, a new library, new biology and chemistry labs, an automotive lab, new classrooms and office space for the Unit 5 Superintendent.Average student enrollment after this addition was over 1,350 students, peaking at 1,956 in 1974, immediately before the opening of Parkside Junior High School and the movement of 9th grade students to Chiddix and Parkside.