have a good head on your 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.
See also: good, have, head, on, shoulder
Farlex Dictionary of Idioms.

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.
See also: good, have, head, on, shoulder
Farlex Partner Idioms Dictionary
See also:
  • have a good head on (one's) shoulders
  • have a good head on shoulders
  • good head on one's shoulders, have a
  • good head on one's shoulders, to have a
  • head and shoulders above, to be
  • rub shoulders
  • rub shoulders with (someone)
  • hunch (one's)/the shoulders up
  • hunch up (one's)/the shoulders
  • able to cut it