The U.S. Citizenship and Immigration Services website offers free study materials for the naturalization test. These include flash cards for the civics and English tests, sample question and answer booklets, study guides and informational videos. Online practice tests are also available on the UCSIS website.
Several websites offer unofficial study materials, such as Test-Guide.com, where visitors can take nine different practice naturalization tests. 800citizen.com hosts a free online practice civics test that can be customized with questions specific to any of the 50 states, and the number of questions is adjustable from five to 50. 4Tests.com also provides a 51-question practice test for the civics portion of the naturalization exam.