Elementary school achievment is distinguished by the time school library staff spend teaching

… [H]igher and lower scoring elementary schools are distinguished by the amount of time school library staff spend in teaching students and teachers how to access and use print and electronic information resources. At higher achieving schools library staff spend three days on such activities for every two by lower achieving schools… At higher achieving schools at all grade levels, library staff are involved in committees and provide in-service training to teachers. Library staff at lower achieving schools usually do not engage in these activities at all.