What is "arhs"

ARHS is an acronym which may mean:

• Algonquin Regional High School, Northborough, Massachusetts
• Amherst Regional High School (Amherst, Massachusetts)
• Amherst Regional High School (Amherst, Nova Scotia)
• Anthracite Railroads Historical Society, Pennsylvania, United States
• 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
• Australian Railway Historical Society