Primary schools are equivalent to primary schools in Chinese mainland.
Junior high school is equivalent to junior high school in Chinese mainland.
After junior high school, it can be roughly divided into two lines.
One line is to go to high school and enter universities, including graduate school (equivalent to graduate students in Chinese mainland).
The other line is to enter vocational high school after graduating from junior high school. Enter the junior college through the joint entrance examination (two-year system, called "two majors") and then enter the technical school (two-year system, called "two skills");
You can also enter a five-year junior college (called the "Big Five") after graduating from junior high school and then enter the "second skill"; You can also enter a four-year technical college (called "four skills") after graduating from vocational high school.