noun
sixth grade; sixth grader
Abbreviation of 小学校６年(生). Used in informal contexts like school conversations or schedules.
来年、うちの子は小６になります。
Next year, my child will be in sixth grade.
小６の担任の先生はとても優しい。
The sixth-grade homeroom teacher is very kind.
Abbreviation of 小学校６年(生) (elementary school sixth year/student).