Anglo Chinese School (commonly known as ACS) is a semi-government aided primary and secondary school in Jalan Melawis and Jalan Raya Barat respectively within the district of Klang. It is the oldest school in the state of Selangor and one of the oldest in Malaysia. ACS was founded and established on 10 March 1893, and officially opened by Sir William Hood Treacher. The school is commonly known in Malay as SRK Methodist ACS (primary) and SMK Methodist ACS (secondary) respectively. Students who have studied or are studying in ACS are known as ACS'ians.