Here's a breakdown:
* Sch: The "sch" combination makes a "sh" sound, similar to the English "sh" in "shoe."
* o: The "o" is pronounced like the "o" in "go."
* n: The "n" is pronounced like the English "n" in "no."
So, "schon" is pronounced "shone" (with the "o" sound being similar to "go").