The statements from both Sandusky and the victims will follow a 9 a.m. hearing to determine whether Sandusky will be classified a sexually violent predator. If he is found to be sexually violent, he will be mandated to register as a sex offender if ever released from prison.
After Cleland decides Sandusky's status as a sexual predator and hears the testimony from both sides, he will decide on a sentence. He could choose to sentence Sandusky to as few as 10 years in prison if he orders concurrent prison time, in which Sandusky would serve the sentence for each count at the same time.
But if Cleland instead chooses to sentence him to consecutive terms, Sandusky could face more than 400 years in prison.
Sandusky will undergo extensive evaluations after sentencing, including his medical and mental health needs, health care, security level, and program needs, according to the Pennsylvania Department of Corrections.
Sandusky's security will likely be an issue as authorities decide where to place him in the state prison population, as his case could make him a target for other inmates.
There are 25 prisons for men in Pennsylvania that Sandusky could be sent to, none of which have a special housing unit or facility for sex offenders, the department said.
ABC News' Michael S. James contributed to this report.