Can I file a lawsuit against the school district for negligence?

You have both a case on the special education issue of them not properly serving his disability and a negligence action for failing to exercise...

How do I get an 18 year old to leave our house

Hire a lawyer to terminate the guardianship and if he does not leave call the police.

Ebay discrimination

They are a private company and can deem any listing they choose inappropriate. There's no civil rights protection based upon selling something...

What is this considered ? Harassment or just doing their job?

Sounds odd you should hire a civil rights attorney because that is harassment. You should also consider calling the state police and reporting it.

Can a school do this

You might have a case on the detention for lack of communication depending on other factors.

Is it legal for teachers in a school Grill a child and record her answers without the parents permission.

Depends on what they asked but probably violated her and your rights but the issue is if there was any damage. Not sure if you get a remedy for...

You need an education attorney and if your daughter has a disability someone specializing in Special Education since they did not properly address...

Can a middle school deny a child who suffers with ADHD and the school administers ADHD medicine to child/student?

You need an attorney to remedy this.

What options do I have as a parent with a child who has a 504?

He should have an IEP not a 504. Tell them you want him identified for an IEP.

Whats the consequence for giving another students IEP to another students parent?

It's illegal but there's no remedy for this violation of privacy. The school can lose funding but you cannot recover anything in a private right of...