While not required, we highly recommend that you pursue a National Scholarship during your senior year of high school. The application, along with requirements and amplifying information, can be found here National Scholarship.
Benefits of the National Scholarship include:
100% tuition and required fees
$750/year for a book stipend
$250/month stipend for ten months as a freshman; increases $50 per year
Midshipmen pay during summer training periods (normally 4 weeks)