S.C. Code Ann. § 59-25-710

Any school teacher who may feel that he has been discriminated against on any ground or for any cause whatsoever by a board of trustees in fixing the salary of such teacher, in the exercise of the wide discretion conferred upon trustees by law in the fixing of teachers' salaries, may file a complaint for the purpose of having such discrimination abated and in so doing shall follow the procedure hereinafter set out.