Communities served by Harper College District No.512
    1. Arlington Heights
    2. Barrington
    3. Barrington Hills
    4. Inverness
    5. Buffalo Grove*
    6. Carpentersville*
    7. Deer Park*
    8. Des Plaines*
    9. Elk Grove Village
    10. Fox River Grove*
    11. Hanover Park*
    12. Hoffman Estates
    13. Lake Barrington
    14. Mount Prospect
    15. North Barrington
    16. Palatine
    17. Prospect Heights
    18. Rolling Meadows
    19. Roselle*
    20. Schaumburg
    21. South Barrington
    22. Tower Lakes
    23. Wheeling
*Portions of these communities are included in the district.