Hardest NS classes at USNA

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

1. NS 101: Fundamentals of Seamanship Average GPA 3.00, 3,449 students
2. NS 431: Jo Practicum (surface) Average GPA 3.32, 755 students
3. NS 437I: Jo Practicum (iwc) Average GPA 3.51, 111 students
4. NS 300: Maritime Warfare Average GPA 3.59, 1,020 students
5. NS 434: Jo Practicum (usmc) Average GPA 3.64, 790 students
6. NS 432: Jo Practicum (submarines) Average GPA 3.93, 439 students
7. NS 433: Jo Practicum (aviation) Average GPA 3.94, 838 students

See also: Easiest classes, USNA course catalog, NS course catalog.