Up-To-Date represents the total percentage of students at the school that are up-to-date on all vaccinations. MMR represents the percentage of students with all measles, mumps, and rubella (MMR) doses. VAR represents the percentage of students with one or more varicella doses for chicken pox. Schools considered "Safest" have 95% to 100% of students fully vaccinated. Schools considered "Moderately vulnerable" have 90% to 94.9% of students fully vaccinated. Schools considered "More vulnerable" have 80% to 89.9% of students fully vaccinated. Schools considered "Most vulnerable" have less than 80% of students fully vaccinated. The data above includes schools with 20 or more students.