High school students not graduating on time by race and ethnicity in the United States

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Definitions: The percentage of an entering freshman class not graduating in four years. The measure is derived from the Adjusted Cohort Graduation Rate (ACGR). The four-year adjusted cohort graduation rate is the number of students who graduate in four years with a regular high school diploma divided by the number of students who form the adjusted cohort for the graduating class. Students entering grade 9 for the first time form a cohort that is “adjusted” by adding any students who subsequently transfer into the cohort and subtracting any students who subsequently transfer out.

Data Source: Population Reference Bureau, analysis of data from the U.S. Department of Education. 
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), State Dropout and Completion Data, accessible online at https://eddataexpress.ed.gov/ 

Footnotes: Updated March 2018.
S - Data have been suppressed by NCES due to small sample size and/or small population size.
N.A. – Data not available.
As of May 2014, only percentages were publicly available.