Change in Cohort Size Enrollment, Arizona
This graph compares enrollment in one grade in one year to enrollment in the next grade in the next year. It is the sum of all grades: from kindergarten through the 11th grade in the first year and from the first grade through the 12th grade in the next year. For example, enrollment in the first grade in fall 2010 is compared to enrollment in the second grade in fall 2011. The difference in enrollment in large part reflects the net migration to or from Arizona of school-age children. However, the changes also reflect children transferring from private to public schools (or the reverse) and high school students dropping out of school.
Net in-migration of school-age children to Arizona exceeded 15,000 in each year from 2002 through 2007; the year-to-year fluctuations may reflect problems with the enrollment count rather than changes in migration. Data for 2008 are unavailable due to a change in the methodology of counting students. In 2009 and 2010, it appears that the state experienced net out-migration of school-age children, largely due to the long and deep economic recession. A small net inflow appears to have resumed in 2011.