high
high school
「高」 has another reading with different meanings.
quantity; amount; volume; number; amount of money
senior high school; high school
high level
高性能のパソコンが欲しい。
I want a high-performance computer.
最高気温は三十度でした。
The highest temperature was 30 degrees.
今日は気温が高かったです。
The temperature was high today.