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High School Graduation Rates Vary by State
6 Nov
Summary
- Kentucky boasts the highest graduation rate at 93.60%.
- Alaska has the lowest graduation rate at 79.87%.
- Graduation rates impact adult earnings significantly.

Graduation rates for US public high school students show considerable variation by state, influencing their future earning potential.
Kentucky achieves the highest four-year graduation rate at 93.60%, while Alaska records the lowest at 79.87%. These metrics, calculated using the adjusted cohort graduation rate formula, measure the percentage of students earning a regular diploma within four years.
Educational attainment, particularly a high school diploma, correlates with increased income. Adults with a high school degree earn approximately $8,216 more annually than their counterparts without one, underscoring the diploma's value.
Data from state education agencies across all 50 states highlights these disparities. Beyond graduation rates, factors like public school spending per pupil and median household income are also considered for context.