The new jurors added Wednesday fill out the jury of five men and seven women. The lone alternate picked so far is a woman.
Sandusky faces a total of 52 counts involving 10 alleged victims over a 15-year span. He has denied the allegations.
Sandusky's attorney told jurors seven members of the former coach's family are on his list of potential witnesses.
The jury's composition reflects the area's strong connection to the school. It includes a rising Penn State senior, a retired professor and a woman who's been a football season ticket holder since the 1970s.