ARHS may refer to:
Schools Algonquin Regional High School, Northborough, Massachusetts Amherst Regional High School (Amherst, Massachusetts) Amherst Regional High School (Amherst, Nova Scotia) Apponequet Regional High School, Lakeville, Massachusetts Archbishop Riordan High School, San Francisco, California Ashley Ridge High School, Summerville, South Carolina Auburn Riverside High School, Auburn, Washington
Historical societies Anthracite Railroads Historical Society, Pennsylvania, United States Australian Railway Historical Society
Other Arhaus, an American furniture retailer, by Nasdaq stock symbol