| http://www.w3.org/ns/prov#value | - Three-quarters of junior high or middle high school principals say that bullying or harassment is a serious problem at their school, compared to 43% of elementary school principals and 45% of senior high school principals. (Gay, Lesbian, and Straight Education Network and the National Association of Secondary School Principals, The Principal's Perspective: School Safety, Bullying, and Harassment,
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