When the parents of three school-age children sat down with their financial adviser to try to figure out how to minimize their anticipated private school tuition bill of $810,000 through high school, they came up with a plan that shrunk the bill by $163,000.

Their secret: Pre-paying. Read more in The Wall Street Journal here.

Uriel Heilman is JTA’s senior writer and former managing editor. Follow him on Twitter at @urielheilman