Plenty of political debate surrounds North Carolina’s Opportunity Scholarship Program. It provides vouchers of up to $4,200 for low-income families to enroll their kids in private schools.

Researchers at N.C. State University are looking beyond the rhetoric to measure how the program is working. Trip Stallings, director of policy research at N.C. State’s Friday Institute, and professor Stephen Porter shared details of their findings Monday with the John Locke Foundation’s Shaftesbury Society.