advancing to high school; continuing on to high school
Refers to the process of moving from junior high school to high school, often used in educational contexts.
The number of junior high school students hoping to advance to high school is increasing.
The high school advancement rate is close to 100%.
Refers to advancing to university, while 高校進学 is specifically about entering high school.
General term for advancing to the next stage of education; 高校進学 specifies the target as high school.
Compound of 高校 (high school) and 進学 (advancing to a higher school).