 More than half of students in America were missing about 18 months of learning in their building, which is enormous. So that was the challenge that I was tasked with helping to solve. And now we hear so much about learning loss and the lingering effects of learning loss. Chronic absenteeism is up since the pandemic. Mental health crisis continues to surge in this country. And the learning loss, you can see it in the academic attainment around the country.