What is NOT a requirement to obtain a regular driver's license in Washington?

Answer: C — Pass a vision test

A requirement that is NOT necessary to obtain a regular driver's license in Washington is completing driver education. While young drivers are encouraged to participate in formal driver education classes, it is not mandatory for every applicant. Instead, individuals are allowed to obtain a driver's license by fulfilling other criteria, such as holding a learner's permit for a specified period, passing the vision test, and passing the knowledge test. The other options mentioned are indeed requirements for obtaining a regular driver's license. Holding a learner's permit for at least six months provides the necessary experience for new drivers. Passing a vision test ensures that the driver has adequate eyesight to operate a vehicle safely. Additionally, passing the knowledge test is important to assess the applicant's understanding of traffic laws and safe driving practices.