"You're illiterate to just about everything. You don't want to misspell," she said. "So that, for me, kept me ... in a box and I didn't, wouldn't come out."
Barrino said she kept her secret throughout the "Idol" competition. But the worst part is not being able to read to her 4-year-old daughter.
"That hurts really bad," she said.
She dropped out of school the year she was raped by a popular boy in her class.
At "one point in time I was saying it was my fault," she said. "Just because of the way I was dressed, I caused it on myself."