middle and high school
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.
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.
combined junior high and high school
alto