Lanza was about 16 when he started classes in the summer of 2008, spokesman Paul Steinmetz said Sunday morning
Steinmetz said that hearing that Lana may have been home schooled would account for him being young for college.
"It's rare but it's not unique,'' he said.
In the summer of 2008, school records show, Lanza received an A-minus on his first class, web site production and received an A in computer programming language.
In the fall of 2008, he received a C in a philosophy class called Introduction to Ethical Theory and withdrew from another computer class.
In the spring of 2009, Lana received an A-minus in a class, American History from 1877, and in the summer of 2009 he received a B in a class on macro economics.
"There is no indication that he lived in a dorm or no information that he had disciplinary problems on campus," Steinmetz.