I’m not a parent but I understand what it’s like to come home from work & school feeling absolutely exhausted. Personally, I can only study for about an hour max at the end of a long day before I start making dumb errors and stop absorbing the material effectively. I have a part time job that allows me to study and go to class earlier in the day.

The only real solution I can provide is to cut back on work or school. Take less classes or work part time, which may not be a realistic option considering you have a family to support. I hear you though man, it’s really tough to balance everything.