Students wrote their wishes and blessings on colorful balloons and let their dreams fly. The Hundred Days Pledge for the College Entrance Examination refers to a large-scale teacher-student activity held by the high school when the national college entrance examination is only 100 days away. The 100-day balloon release means students write their wishes and blessings on colorful balloons and let their dreams fly. The purpose of the 100-Day Pledge for the College Entrance Examination is to enhance the confidence of junior high school students or senior high school students in facing the college entrance examination and stimulate their fighting spirit.