we'll start with that high school junior ivan stevens. when we first met ivan, he was 4 years old.was homeless. he and his mother and little brother sometimes spent whole days in a park, at night sleeping on one chair in an illegal boarding house. >> i go to sleep like this. >> the landlord the refrigerator. >> my heart will be sad. i want my own room and i'm never going to get it. >> he was living in a city tlabld most dangerous city in america. and also one of the poorest. outside his window, drug dealers hustling, nightly gunshots. >> sometimes they'll shoot when i sleep. i put the pillow over my head because it be too loud. >> but his mother wanted to make sure, even though they had no permanent place to live frgs her little boy got to go to school. so she puts on his one school shirt and sends him to public kindergarten. there is no breakfast at home that morning. >> i want to go to school so bad. i want to read. >> a school administrator sat down with him and asked him to name three meals you eat every day. ivan was stumped. >> when do we eat? in the daytime. the morning? wha