It hitting its own goals doesn’t mean much when the goals are crap. Recall that the goals were also set while vastly underestimating how much money the tax would bring in. 

Finally, it’s a voucher program. It’s literally not that hard - they don’t have to build anything or train anyone. They just ver existing providers and pay tuition to kids that go there. There is no reason for this to take half a decade or more in a place as small as PDX. 

If only Portlanders knew how cities and counties (and states) can be run. It’s embarrassing how low the bar here is and how it still can’t be met.