中高
Meanings
1
middle and high school
abbreviation
Abbreviation for 中学校と高等学校. Used in contexts like 中高一貫校 (combined junior and senior high school).
There are many combined junior and senior high schools in this area.
I will get a teaching license for middle and high school.
2
medium and high level
Used in technical or grading contexts to describe a range from medium to high, e.g., difficulty, frequency, or proficiency.
The difficulty of this problem is at a medium to high level.