The annual event dropout rate describes the proportion of students who leave school each year without completing a high school program. The event dropout rates for the school year 2009-2010 of 1.89% for grades 7 through 12th and 2.69% for grades 9 through 12th are consistent with the dropout rates for the past four years. The event completion rate data for school year 2009-2010 are reported alongside with a cohort graduation rate for the class of 2010. The event completion rate represents the number of students enrolled in the senior class who graduate or complete school at the end of their senior year. The statewide event completion rate for school year 2009-2010 is 93.16%. The cohort graduation rate is the percentage of students from a given class who receive a high school diploma. The cohort graduation rate for the class of 2010 is 87.46%. Dropout Information is appended. (Contains 1 figure and 11 tables.) [For the 2008-2009 edition of this report, see ED536805.]