HSAS may refer to: * Hagar Schon Aaronson Shrieve, a rock supergroup from California *

Homeland Security Advisory System In the United States, the Homeland Security Advisory System (HSAS) was a color-coded terrorism threat advisory scale created in March 2002 under the Bush administration in response to the September 11 attacks. The different levels triggered sp ...

, an American color-coded terrorism threat advisory scale *

Hydrocephalus Hydrocephalus is a condition in which cerebrospinal fluid (CSF) builds up within the brain, which can cause pressure to increase in the skull. Symptoms may vary according to age. Headaches and double vision are common. Elderly adults with n ...

, a congenital disorder colloquially known as 'water on the brain' *

High School of American Studies The High School of American Studies at Lehman College (commonly called American Studies, HSAS, or Lehman) is a specialized high school in New York City. The school is administered by the New York City Department of Education. It receives supp ...

, a specialized public high school in Bronx, New York

See also