Second semester underway with more students in Horry County Schools classrooms Second semester underway with more students in Horry County Schools classrooms By Zach Wilcox | February 1, 2021 at 10:49 PM EST - Updated February 1 at 10:49 PM HORRY COUNTY, S.C. (WMBF) - Horry County Schools has officially completed a full semester with the new pandemic learning structure. Students went back to school to start the second semester Monday. Families are used to having the winter break between semesters, but in this unusual year, they only had a weekend. The start of the semester was pushed back because the first semester started later this year.