Access the U.S. Department of Education's "Search Institutional Accreditation System" page.
Enter the name of the online school in the "Name of Institution" field. If you know what the school's address is, enter that information in the "Address," "City," and "State or Outlying Area" fields.
Click the "Search" button.
Review the search results. If the school is accredited by an agency recognized by the U.S. Department of Education, the database will list its name. If the school isn't listed, it's likely not accredited.
Drill down. If the school is listed in the search result, click its name to review information on its institutional and specialized accreditation.