校長

N1 長々 naganaga long, drawn-out, very long N1 年長 nenchou seniority N1 登校 toukou attendance (at school) N1 長官 choukan chief, (government) secretary N1 長編 chouhen long (e.g., novel, film) N1 母校 bokou alma mater N2 ～校 ～kou counter for school N2 ～長 ～chou leader, head N2 延長 enchou extension, prolongation

N5 校 kou, kyou exam, school, printing N5 長 chou / naga.i, osa long, leader, superior