Drumbeat Indian Arts has a 184-page Catalog of Native American Music and Movies, in pdf format, that has this information on page 56:

GO MY SON
Sheet music with Indian sign language instructions.
Many leaders have spoken [the] thoughts of this song, GO MY SON, - that education is a ladder to help reach success and happiness, "Go My Son, climb the ladder." Words and Music by Carnes Burson and Arlene Nofchissey Williams. Look for the song on B.Y.U. PRODUCTIONS - GO MY SON (544).
BYU 9404MUS

Also, Allmusic.com now lists 2 more recordings:

Douglas Spotted Eagle, "Legend of the Flute Boy," 1992.

Verdell Primeaux, "Color of Morning," 2007.