The Karachi American School (KAS) (Urdu: کراچی امریکن اسکول), formerly known as Karachi American Society School, is a preschool to Grade 12 day school located in Karachi, Sindh, Pakistan.

The school was founded in 1952 as Karachi American Society School with funding from the U.S.

[1][2] Formerly, it was known as the International School of Karachi.

[3] It is considered an elite school of Karachi.

[4][5] In August 2017, the school expanded its offerings and founded a college called Karachi American College.