Do young couples get the benefit of parenting schooling or is it mostly on the job training?

What were your experiences and could things have been different?Do young couples get the benefit of parenting schooling or is it mostly on the job training?
All parents can benefit from parenting classes rather than trying to learn everything ';on the job';. There is a universal body of research and knowledge about how effective parents raise respectful, responsible children. We found this information very helpful in raising our two children (who are now teens).