I would start by looking at variance in state funding pre-covid. Reducing funding: increasing tuition to market limits, then cutting expenses. Increasing funding: increasing expenses and increasing tuition to market limits. Tuition has roughly on an 8% track and historical circumstances vary, so pricing and spending reactions aren't immediate.

Here's a high level report showing some of the state funding changes. https://www.cbpp.org/sites/default/files/atoms/files/10-24-1...