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school principal; school headmaster; school headmistress
校長先生が朝礼で話をした。
The principal gave a speech at morning assembly.
校長先生に相談してみよう。
Let's try consulting the principal.
卒業式で校長先生から温かい励ましの言葉をいただいた。
At the graduation ceremony, we received warm words of encouragement from the principal.