Arlington County Information

APS Staff to register follow the directions below.

  • The North Tier catalog is located within Arlington’s Frontline site. To browse and sign up for a North Tier activity, you must sign into your Frontline account through, navigate to “Activity Catalogs” and choose “North Tier”. You may then browse the offerings and sign up.

Used your APS email to previously register for North Tier courses? Your accounts have been merged and updated.