oldie

looking for a song that is about this kid who paints his drawings the wrong colours and his teacher tells him to paint flowers red, the sky blue, grass gree.. then he moves and he has thsi teacher who tells him to paint his drawings any colour he wants. Sorry not sure of the lyrics but I my dad played this song on the guitar when I was young, looking for the title or artist.
Thanks!

Flowers Are Red- Harry Chapin

Funny how the lyrics ''Flowers are Red'' did not show up in any lyric search engine. Thanks for your help!