The mission of the Office of Auditing Services (OAS) is to add value to the South Carolina Department of Education by providing assurance and consulting services to management to ensure its financial and operational objectives are being achieved as well as ensure the agency and its sub recipients are in compliance with applicable federal and state laws and regulations. OAS also provides technical assistance to school business officials, independent certified public accountants, and other professionals relating to various state and federal financial reporting requirements.

OAS is responsible for conducting audits of not-for-profit organizations and selected school districts throughout the State that receive funds administered by the South Carolina Department of Education. OAS reviews all OMB audit findings and requests management decisions from program areas.

OAS conducts internal audits of the agency's programs, operations, and maintenance bus shops to ensure accuracy of reported information, efficient and effective operations, and compliance with applicable laws and regulations.