Hundred-day swearing-in is a common activity in senior high school education in China, which is usually carried out before the college entrance examination? 100? This day is held to stimulate students' fighting spirit and self-confidence and help them better prepare for the college entrance examination.

The 100-day pledging event is usually organized by the school, with the participation of students and parents. In this activity, students will wear neat school uniforms, hold pens and notebooks, listen to the speeches and guidance of teachers and parents, and swear and sign with their classmates to express their confidence and determination in the college entrance examination.

Hundred-day swearing-in activities are very popular in high school education in China, but their specific forms and contents may be different for different schools and regions.