Earlier quoted context omitted.
I'm not a fan of vouchers in general, especially if they allow public funds to go to religious institutions, but educational choice (as IJ terms it) is a tricky area. A lot of times these programs allow people to move between public schools or get additional funds for alternative programs that better suit their children's needs.
Even the head of the Chicago Teachers Union sends her kid to Catholic school, because the quality of the system she runs is appalling https://abc7chicago.com/stacy-davis-gates-private-school-ctu... Maybe giving money so more kids can attend Catholic schools is a good thing
No; the very very obvious "good thing" here would be to fix the Chicago public school system, whatever that entails. (And yes, I know that's guaranteed to be politically and logistically more difficult than just diverting more taxpayer money to private schools, but it's still the right thing to do.)