1, the registration time is different. The selection before the middle school entrance examination is conducted before the middle school entrance examination, and the enrollment after the middle school entrance examination is conducted after the results of the middle school entrance examination are announced.
2. The enrollment targets are different. The selection before the middle school entrance examination is mainly for outstanding junior high school graduates, and the enrollment after the middle school entrance examination is for all eligible candidates. The enrollment quota is different. There are fewer enrollment places selected before the middle school entrance examination, and more enrollment places selected after the middle school entrance examination.
3. The admission criteria are different. The enrollment standard in the early stage of the senior high school entrance examination is relatively high, which mainly examines students' comprehensive quality and ability, while the enrollment standard in the late stage of the senior high school entrance examination is relatively low, which mainly examines students' scores in the senior high school entrance examination.