High Class is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Wang Dokpil, the boss of Jeolhwa, the largest organization in Chungcheong, and his son, Wang Dam. After his father’s death, Wang Dam has a different dream than inheriting his father’s organization and decides to head to Seoul on a whim. But life isn’t that simple, as he envisioned his uncle, who was a member of the organization, proposes a condition that if Wang Dam becomes No. 1 in his new school, he’ll receive a settlement allowance. However, Wang Dam’s new school, notoriously known as Ppak High, is infamous for school violence. Can Wang Dam become No. 1 in Ppak High School, the one full of the nation’s worst troublemakers? **Original Webtoon:** [Naver Webtoon]