the school itself was later expanded in 1970 in order to accommodate additional growth, adding the three story e and d wings, a second cafeteria, a new library, and a second gym, which was among the largest in the area at the time. the only difference in the classrooms between the old wing and the new wing was the lack of a teacher office in the classroom. christiana high school was also opened in 1963 to alleviate overcrowding concerns at newark. with the expansion, ninth grade was added to the building.