Ok mom, let me enlighten you to "boys
This is going to be blunt. ".
"Most" "Boys" are not planners. They do not have a memory the way we do.
They procrastinate, they avoid, they shuck and dive from situations that THEY are not into. They will not mature until their mid 20's. They are just late bloomers.
Why are your sons in "College Math"? Better to be in regulars for a while and make good grades, than to be taking classes they are not interested in and not willing to do the work.They are wasting their time and this teachers time. They are now a complete year behind in math.
The fist time they did not take care of this, is when you should have taken over and stepped in. It was at that point you realized they were not going to do anything about this. Make an appointment with the academic counselor and stay on top of this.
Some parents have to drag their kids through school. You are not finished with parenting and obviously your boys are not able to do this themselves, You are not alone. But in High school, they will not chase you down. They have hundreds or thousands of kids they are trying to educate and to move on to college. You need to set the standard for your boys and let the school know you are a partner in their education.
I recall seeing parents up at the school almost every week making sure their kids that were struggling, working with the counselors and the teachers to make sure their kids were not forgotten.
There were reluctant students, immature students, and students with issues, that did graduate. Mostly because their parents never gave up. A few have finally graduated from College! Yes, 3 and 4 years after their peers, but they did it in the end.
Instead of grounding them, they need to be attending summer classes. If it is too late to sign them up for a session, see if the community college or an online course will be accepted for a high school credit.
I assume it is too late for them to find a job, so they need to go and do volunteer work. If they are not willing to search for this, you do it. Make sure they attend each day they are signed up to help.
When they are home, they are to be doing chores, and upkeep on your home and yard.
Sure they can have a a day off, but they need to learn a work ethic. YOU set that bar for them.
Make a calendar with a list of what needs to be done. Make them stick to it. That means make the goals attainable.
Ex. Sat Morning by 11:00 am, bathroom needs to be cleaned with cleanser and rinsed down.This includes the tub, Toilet and sink, Inside and out.
All of the bathroom and bed linens need to be washed, dried and placed back on the racks and the bed, by 4:00 pm. Must meet moms approval.
No TV, No electronics until these chores have been completed.
Sunday the lawn needs to be completely mowed and trimmed. by 3:00. Must meet moms approval.
And mom, no excuses from you or them. You are not alone. I am sending you strength.