DCHP-1 Online
S.S. 
a subdision of a school district.
See also: school section (def. 1)
- 1874 The final examination off S.S. No. 4 . . . was held on Fri. the 19th ult.
- 1874 The final examination off S.S. No. 4 . . . was held on Fri. the 19th ult.