What to do with these windows

Looking for tips on how to address these windows. Blackout shades seem impractical and crazy expensive for that many windows.

What have previous residents of Scioto and Morgens Hall done with these windows?

Looking for tips on how to address these windows. Blackout shades seem impractical and crazy expensive for that many windows.

What have previous residents of Scioto and Morgens Hall done with these windows?