 BEIJING, April 13, 2021 PRNewswire -- Tarena International, Inc. NASDAQ: TEDU Tarena or the Company, a leading provider of adult professional education and K-12 education services in China today announced that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2020 with the Securities and Exchange Commission on April 13, 2021. The annual report can be accessed on Tarenas investor relations website at 