The following is the order of education from low to high: primary school, junior high school, high school, undergraduate, master, doctor.

Primary school: this is the lowest education, mainly studying basic literacy, numeracy and common sense.

Junior high school: Junior high school is the primary stage of middle school, mainly studying basic subjects such as science, mathematics, Chinese and English.

High school: High school is the last stage of middle school education, and usually studies more in-depth subjects, such as physics, chemistry and biology.

Undergraduate course: Undergraduate course is the beginning of higher education, mainly studying specialized courses to cultivate students' professional ability and independent thinking ability.

Master: Master is a higher level, which requires more in-depth courses and a research paper.

Doctor: Doctor is the highest degree, which requires in-depth research in specific fields and the publication of high-quality research papers.