S.C. Code Ann. § 53-3-10

The first Friday of December of each year is set apart as Arbor Day and as a part of the observance of Arbor Day the officials, teachers, supervisors, principals and superintendents of the public schools are directed to observe the first Friday in December in each year as South Carolina Arbor Day with appropriate ceremonies, including the planting of trees on school property, and all civic, patriotic and fraternal organizations are requested to lend their assistance in the observance of such day in an appropriate manner.