Wait until 24 to enter school (takes less money to afford school, but consistently fewer work opportunities)
Take out a loan to enter school at 22 (gonna be broker than broke, but might have potential for more employment. might.)
You've got to just list it out and pick. (Going to school for...? Earth sciences, oceanography, archaeology, humanities, social sciences, environmental restoration, archival/library science)
Living situation...
Live in truck/trailor/suv/van
Find many people to live in a house, split rent
Split rent in low-income housing apartments
Micro studio/studio