Did the schoolmaster teach ordinary boy sailors?

Would the schoolmaster teach boys who were not midshipmen?

Only boys effectively training for officer status, such as King's Letter Boys or captain's servants; ordinary boy sailors were generally not taught by the schoolmaster.

King's Letter Boys and captain's servants might receive instruction because they were effectively preparing to become midshipmen even when they did not yet carry the title. Ordinary boy sailors generally were not part of the schoolmaster's normal class. The distinction reflects the schoolmaster's role in officer preparation rather than universal shipboard education.