Teach your child swimming lessons when they want it! You don’t want to push but don’t walk away either. Read Math Genie’s blog on how to approach your kid properly.
It is important to use positive parenting techniques to show love and encouragement to your children, and being kind instead of mentioning failure.
Motivate your children outside of classroom. Improve their success in school, and have better focus. Learn parenting skills to increase child's performance.