I didn't read the other responses so sorry fi this is a repeat....
* Password protect the computers. ALL of them.
I don't think the OP wants a divorce, or a high school dropout.
I don't think most people would starve their child out of their home in his senior year of high school.
I totally hear you. Yes..
All good suggestions, but DSS28 is now gone, probably not to be coming back and we want to just get DSS19 through high school.
The first year of our relationship was stress free.