J.B. Pritzker is weighing whether Illinois should opt into a new federal tax credit program that helps fund private school tuition for low-income families. Supporters say the program could help students escape failing public schools, while opponents warn it could drain funding from already underfunded public schools. Opponents, including public school teachers unions and affiliated groups, argue the program could divert money from already underfunded public schools. A drop in public school enrollment could lead to a drop in funding. Illinois Families for Public Schools is urging Pritzker not to opt in, saying:"Strong public schools that welcome and nuture every child and young person benefit all of us.