dr. janice brown says, because of enrollment more teacher jobs were created. 70% of promise students enrolled in two schools both saw a big jump in tuition revenue. >> $30 million in our community swirling around that wasn't there before. >> dr. brown is the only one who knows the identities of the anonymous donors, and she's not telling. she said they pledged to do so forever. >> anybody that could do that could live anywhere probably in the world and they live in this small, unique, funky vibey little place with the weird name called kalamazoo. >> already 30 other programs have popped up around the country and dozens more in the works. pittsburgh students have 26,000 students, more than twice as many as kalamazoo. pittsburgh estimates it needs $250 million endowment to pledge the amount from 2006. they consider the money an investment. >> many of these students are going and becoming nurses, becoming doctors, human resource professionals, finance professionals, all things that are needed at upmc. >> hundreds are hired by the very same companies that help pay for their tuition. however, pitt

dr. janice brown says because of increased enrollment more teacher jobs were created.n the first year of the program 70% of promised students enrolled in local schools both saw a jump in tuition revenue. >> $30 million in our communities swirling around that wasn't there before. >> reporter: already more than 30 similar programs have popped up around the country, and dozens more in the works. district public schools have 26,000 studentser more than twice as many as kalamazoo. pittsburgh estimates it needs an endowment to honor the promise it made to students in 2006. the university medical center pledged a grant and considers the money an investment. >> many of these students are becoming nurses, doctors, human resource professionals, finance professionals. all things needed at upmc. >> reporter: but like most programs pittsburgh ultimately relies on the generosity of middle class people, not the super rich. >> some of our programs are struggling because they have these continual fund development needs. >> reporter: professor michelle miller adams wrote a book about th

dr. janice brown because of increased enrollment more teacher jobs were created and the first year of therogram 70% of promised students enrolled in two local schools both saw big jump in tuition revenue. >> $30 million in our communities twirling around that wasn't there before. >> reporter: dr. brown is the only one who knows the identity of the donors behind the promise, and she's not telling but they've already paid $50 million to send kalamazoo children to colleges and trade schools around the state and pledge to do so forever. >> anyone who can do that could live anywhere in the world. and they live in this small unique funky place with a weird name called kalamazoo. >> reporter: 0 similar programs have popped up around the country, and dozens more in the works. >> pittsburgh public school have 26,000 students, more than twice as many as kalamazoo. pittsburgh figures it's an endowment to honor the promise it made in 2016. the university medical center pledged a $150 million grant and says it considers the money an investment. >> many of these students are becoming nurses, doctors, h

dr janice brown says because of increased enrolment more teacher jobs were created. 70% of students enrolled in two schools, both saw a jump in tewition revenue. $30 million in the community swirling around that was not there before. >> more than 30 similar programsed up around the country and dozens in the works. pittsburg that is 26,000 students, twice as many as kalamazoo. pittsburg statements it needs a $250 moilion endowment. the university of pittsburg medical center pledged $100 million considering the money on investment. >> many students become nurses, doctor, human resource professionals, finance professionals, all things needed here. >> like most programs pittsburg's relies on the generosity of middle class people, not the super rich. >> some programs are struggling because they have funding needs. >> michelle adams wrote a book saying it's too early to tell in the social experiment is changing economies. many are convinced the boost will come around the 10 year mark when students come home as professionals with high income jobs and a mission. >> i couldn't think of anything bette