My children mother want to drop the charges, is it possible?

It is out of your child's mother hands. The DA usually do not drop domestic violence cases because the victim does not want to move forward.

How much time will be served on 2.5 sentence in Georgia?

If he was sentenced to prison for the probation violation he will likely have to serve the entire sentence. It would be helpful to know more...

I have an Probation Office that Disorderly Conduct

You have not described any inappropriate behavior. It appears that your probation officer is trying to mentor and make sure you continue to do well...

Your best bet is to hire an attorney to fight the probation revocation and attempt to get the probation modified.

Yea, but you probably should not go without an attorney.

Am I subject to a final drug / alcohol screen my final month of probation?

Do not use any illegal substances especially while on probation.

Is it ok for a 17 year old to have sex with a 24 year old?

The age of consent in Georgia is 16.

Most courts charge around $250 to file a petition for removal off the sex offender registry. However, attorney fees will cost much more than that....

I have a pending charge along with my son.

Seems like a classic case of self defense. You should hire an attorney ASAP.

Is there anything I can do to help my loved one at this point? What are the best and worst case scenarios in this situation?

You need to hire an attorney to get your boyfriend a bond in Cobb County before Fulton County places a hold on him if they have not done so already.