noun, noun which may take the genitive case particle 'no'
high level; high standard
Used as a noun or の-adjective for a level, quality, rate, performance, or standard that is high compared with the norm.
This hospital provides medical care of a high standard.
The unemployment rate remains at a high level.
This factory's production technology is at a high level.
The company maintains a high standard of quality.
He has received a high-standard education.
The athletes always keep their physical condition at a high level.