Some parents are still opting kids out of vaccinations. Because of this, kids across the nation are more susceptible to outbreaks of measles, mumps and whooping cough. 

Ideally, 90 percent of the community should be vaccinated, according to Education News. In 2011, 15 states' vaccination rates fell below 90 percent. This rate led to the United States seeing its highest outbreak of measles since 1990. 

"Over the past two decades, a combination of fraudulent scientific studies, irresponsible reporting and well-meaning but misinformed citizen activists has led to a steady increase in the proportion of parents who have concerns about the recommended childhood vaccine schedule," said an Academy of American Sciences. "While overall vaccine uptake rates in the United States remain high, these concerns have resulted in a significant expansion in the number of parents who are delaying, and in extreme cases even refusing, vaccines for their children."

The Centers for Disease Control are working to make vaccinations mandatory for students.

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Article by Kassondra Granata, EducationWorld Contributor