On Wednesday, packaged food entrepreneur Peter Sartorio became the first to reveal he plans to plead guilty.
The consultant at the center of the scheme, Rick Singer, pleaded guilty and is cooperating with investigators. His lawyers did not immediately reply to an email for comment.
Huffman was arrested March 12 and released on $250,000 bond on condition that she surrender her passport.
Ferrara said that she's not giving Loughlin a free pass though.
Huffman later made arrangements to engage in the scheme again on her younger daughter's behalf before deciding not to, prosecutors said.
In addition, Gregory and Amy Colburn of Palo Alto, California, pleaded not guilty to charges of conspiracy to commit mail fraud and honest services mail fraud and money laundering conspiracy. We're not sure what the former Hallmark star thought, but not all of the people seemed to be fangirling and looked more as if they were poking fun at Loughlin and the whole scandal.
They are accused of paying $500,000 to have their two daughters labeled as recruits to the USC crew team, even though neither participated in the sport.
The pals also said they'd been "getting hate all day" for publicly supporting Loughlin.
People yelled, "Lori, pay for my tuition" as Loughlin walked into the courthouse.
Real Madrid keen to sign Man United star this summer
We know it was very hard . "That's football for you and that's why it's the game we all love, it's not like maths", said the Norwegian.
Huffman, the 56-year-old former "Desperate Housewives" star, is charged with paying the admissions consultant at the center of the scheme $15,000 to have a proctor correct the answers on her daughter's Saturday.
Several brands have distanced themselves from the "Full House" actress and her daughter, 19-year-old social media influencer Olivia Jade Giannulli, since the charges were announced. Other parents are also expected to appear in court Wednesday.
As Loughlin and Giannulli exited the courtroom with their attorneys, the actress thanked court security for holding the door for her and smiled.
Huffman faces felony charges for allegedly paying a bribe of $15,000 to have the SAT score of her eldest daughter, Sofia Grace Macy, fraudulently boosted.
The case - the biggest college admissions scheme ever prosecuted by the U.S. Justice Department - has roiled the world of higher education and amplified complaints the system is stacked in favor of the rich.
The actors and 11 other wealthy parents are accused of engaging in schemes that involved cheating on college exams and paying $25m in bribes to buy their children spots at well-known universities.
The actresses and other parents are scheduled make their initial appearances Wednesday in Boston's federal court.