More fundraising from alumni and donors would be at the top of my list, followed by better resource allocation, especially for schools that advertise how much they care about public interest. And I may be a heretic for saying this, but hiring more practicing attorneys to teach-- I have loved every class I've had with a practicing adjunct. It's also an awesome resource for students when practicing adjuncts recommend students they've worked with for jobs and internships. Schools that really value PI should craft fellowships for new graduates, raising more money and shifting expenditures in ways that directly benefits students and new grads.
I wholeheartedly agree. I got my dream job in large part because of a recommendation from an adjunct who is a well-respected partner at the top firm in my state. If the rec had been from some professor who went to Y, clerked for a year, and then ran into academia, it wouldn't have had 1% of the effect. A friend of mine was fast-tracked to the callback stage at the local DA's office after an adjunct who sits on the SSC wrote a letter for him.