You have been sued for divorce. You need to answer the suit by filing an "answer" with the District Clerk. You may mail the answer to the district clerk or take it in person to be filed. Parenting classes are generally required by judges who handle family law cases. The parenting class isn't how to raise a child. It is how to keep the child out of the divorce, i.e. to teach you and your spouse not to bring divorce issues between adults to the child.
I am not intending this to be legal advice, because I don't know the particulars of your situation. Call me if you would like to discuss this or other isues.
You have been served with a petition. It requires an answer and any affirmative defenses to avoid a default judgment. This is very technical. And if you mess it up things can go badly. So, you might try finding a lawyer that will work on a payment plan. Or try Legal Aid.
Most counties in the State of Texas will have pro se answer forms at the District clerk's office. Go to courthouse where your ex filed suit, fill out the form including the cause number, file your answer and provide your ex a copy.
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