From the SCHSL Handbook, Rules Section, page B-40, Boys and Girls Soccer:
"7. In the event a soccer game is called prior to completion of one half because of conditions, which makes it
impossible to continue play, the game will be resumed from the point of interruption."
The SCHSL rules for all sports can be viewed online at
http://www.schsl.org/2006/Rules%20Section%2006-07.pdf