have a good head on your shouldershave a good head on (your) shoulders
to be clever.
You can trust Laura with the money - she's got a good head on her shoulders.
have a good head on (one's) shoulders
To be capable of making sound, responsible decisions. Joe has a good head on his shoulders, so I highly doubt that he would go to Vegas and gamble all his money away.
have a good ˈhead on your shoulders
be a sensible person: Don’t worry about the children — Laura’s with them and she’s got a good head on her shoulders.