Newark Mayor Cory Booker has secured $40 million of the $100 million he needs to match Facebook chief executive Mark Zuckerberg's Friday donation to the city's schools.

Zuckerberg announced Friday that he was donating $100 million to Newark public schools in an effort to help revamp the struggling city's education system. The funds were a "challenge grant," however, meaning that Booker needs to raise the same amount in matching funds. He has since collected $40 million, his office confirmed Monday.

"I am so grateful that so many are stepping forward after Mark Zuckerberg's announcement to answer our call to action and share our commitment in the limitless potential of Newark's students," Booker said in a statement. "From funders to community members, there is something for each of us to do. Investing in educational excellence today will create the foundation for Newark's prosperity and competitiveness in the decades ahead."

Zuckerberg also created a foundation known as "Startup: Education," where visitors can donate to the cause. The foundation's first project will be to measurably improve academic achievement for students in Newark, N.J. and create a national model for rewarding excellence in education, according to a statement.

New Jersey Gov. Chris Christie, meanwhile, has authorized Booker to create a brand-new education plan for Newark. Booker is raising funds through the newly created Newark Education and Youth Development Fund, a separate non-profit organization with a goal of matching Zuckerberg's donation, as well as raising an additional $50 million to serve disaffected youth.