1. The plural of headmastership; the positions, offices, or tenures of headmasters (principals of schools, especially in British educational systems).
Usage: Chiefly British English; Formal/institutional context

Examples

• Several headmasterships at prestigious boarding schools became available that year.
• He held multiple headmasterships throughout his career in education.
• The headmasterships of Oxford and Cambridge schools are highly competitive positions.
• She was offered one of the most respected headmasterships in the country.
• The board reviewed applications for three open headmasterships.