It’s a massive issue.
Kids who are unvaccinated shouldn't be able to participate in public schools, sports teams through public rec centers, or any government-funded programs of any kind. Private organizations (schools, churches, clubs) should be able to ask for vaccination records and deny entrance based on that. Private businesses should be able to refuse service to someone if they don't vaccinate. Colleges and universities--state or private--should be able to refuse entrance to any student if they're not vaccinated.
The trend is utter madness. We're allowing diseases that have been CURED from the developed world back among us. It's unbelievable.