But on the last day of the period, his Wynnewood (Pa.) Friends Central coach Jason Polykoff informed Scout.com that a decision would not come today.
"He will not announce or sign today," Polykoff told Scout.com.
Jefferson has a number of schools on his list including North Carolina State, Kentucky, Stanford, Villanova, Temple and Ohio State.
Jefferson is ranked as the No. 4 power forward in the 2012 recruiting class.