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Parsley, Danette; LaBounty, Sarah – Principal Leadership, 2007
Marzano (2003) identified 11 factors that positively influence student achievement. Those factors can be divided into three categories: school-level practices, teacher-level practices, and student-level characteristics. Interestingly, Marzano (2000) found that school- and teacher-level influences account for only 20% of the variance in student…
Descriptors: Homework, Academic Achievement, After School Programs, Family Environment

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