4 of 7: number of end-of-instruction exams — also called EOIs — that a high school student must pass to earn a diploma in Oklahoma.
353,928: EOIs given in Oklahoma this year.
$11: cost of each EOI.
2,000: approximate number of students who haven't passed enough EOIs to graduate.
Sept, 30: last day for a student to complete state requirements and be considered a graduate of the class of 2012.
SOURCE: State Education Department