Gao Dun online school. According to the query of bright life. Com, Gao Dun Online School is an online education brand under Gao Dun Education, which mainly provides training for international certified public accountants, chartered financial analysts, management accountants, certified public accountants, junior accounting titles, intermediate accounting titles, accounting practices, securities qualifications, futures qualifications and banking qualifications. Therefore, accounting continued to educate Gao Dun Online School for 23 years.