IELTS Grammar: conclusion mistakes

The following sentences come from conclusions that people shared below this lesson. Can you improve them by correcting mistakes or by choosing more natural phrasing?

1. Organising a same parenting course for mothers and fathers with different family, culture and education background is impractical.
2. I do not see it as applicable to force parents to attend special courses.
3. That is a hard journey with fully challenges.
4. I disagree with the need for parents attending a mandatory parenting course.
5. I disagree with the view that parents should be made to undertake a parenting course instead these factors should rather be taken into consideration.