mixing up the hebrew and secular studies, would never work, for many reasons, that’s not the solution.
the solution is 1) cut cost (which i have to believe they do try)
2) get rid of these expensive buildings, unless you have more money than you need and someone comes to pay for the whole thing.
3) if you support your son/son-n-law in kollel pay his tuition, if not you can’t afford to support him, let him go work