The data contained in this report represents all of the 297,696 students, K-12, in the state of Nebraska. High levels of immunity are documented among children grades K-6. Some immunization levels of children grades 7-12 are yet below the 95 percent established as a minimum for the prevention of vaccine preventable diseases. Specifically, there remain 14,000 Nebraska students who do not demonstrate protection against measles. Statistics are provided on: (1) Nebraska school immunization levels, '83-'84 school year by Elementary, Junior High, and High School levels; (2) Nebraska school kindergarten immunization levels, 1971-1983; (3) percentages of students immunized against DPT/Td, polio, measles, rubella, and mumps by county, '83-'84 school year; and (4) percentage of students immunized in public schools with enrollment greater than 1100, '83-'84 school year. (JD)