In the middle of the prior decade, NBA players and owners, amid concern over the flight of high schoolers directly into the pros, changed its eligibility requirements so that a player had to be 19 years of age in the calendar year of the draft and a year removed from high school graduation.

WSJ: NCAA Final Four 2012: Kentucky: A Final Test, Then Farewell?

In Chicago, more than a third of the district's 675 schools opened Aug. 13, part of a year-round schooling effort that spreads out the school calendar with shorter summer and winter breaks.

WSJ: School in August Gets Low Grades

If the music school sells the violin within three years of your gift (but not during the same calendar year), you (usually) must include the amount your initial deduction exceeded your cost as income in the year of the sale.

FORBES: Charitable Changes