2 Cool 4 Skool is the debut single album released by South Korean boy band BTS on June 12, 2013 through Big Hit Entertainment and distributed by Loen. The album was supported by the singles "No More Dream" and "We Are Bulletproof Pt.2". Commercially, it peaked at number five on the Gaon Album Chart in South Korea, and at number ten on Billboard's World Albums Chart in the United States. The album has sold over 400,000 copies as of 2021.
A 3-disc version of the album was released in Japan through Pony Canyon in 2014.