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Jefferson Elementary School has a total enrollment of 500 students, with two sections each of kindergarten through third grade and six sections each of fourth and fifth grades. Nearly equal numbers of girls and boys attend the school. About 14 percent of the students are eligible for free or reduced lunch, and about 6.6 percent are served in special education. Five percent of the students are minority students, 95 percent are Caucasian, and six students are English language learners. Jefferson Elementary's responsiveness-to-intervention model uses the following structure: Tier 1, Tier 2, Tier 3, Tier 4, and special education.