Exploring the Relationship Between Household Income and High School Graduation Rates in Georgia Counties
De Vierno, Ida
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To better understand the factors that contributed to the rise in high school graduation rates between 2008 and 2015, this study explored the relationship between average household income and average four-year graduation rates for public high schools in Georgia counties in 2015. Additional economic factors including teacher salary, spending per pupil, local education revenue, maintenance and operation (M&O) tax, poverty rate and Gini index as well as social factors, including unemployment, class size, educational attainment and teen pregnancy rate were studied. Four ordinary least squares (OLS) models were generated to understand the impact of change in household income on high school graduation rates at all income levels and at the income extremes. Analysis of the results shows that household income is not statistically significant throughout the models for our full data set. When looking solely, at the upper and lower income brackets, household income is significant at the 5% level.