data suggest that "while high-poverty schools do have worse graduation
rates than low-poverty schools, this gap is not inevitable; and one key
factor distinguishing high-performing high-poverty schools from
low-performing high-poverty schools is a quality library program"
staffed by CTLs [certified teacher librarians] are more accessible to
students, boast better print collections and more advanced technology,
and provide access to the latest online resources, both in school and
from home via remote access" (p.34).
"Schools with CTLs on staff have higher 5-year graduation rates and higher percentages of students passing standardized exams" (p.34).
found in the PA school library impact study of 2012, "schools with the
highest rates of free or reduced price lunch show the most dramatic
relationship between the presence or absence of a CTL and student
learning resources, research skills, and access to information and
resources that can be provided through a school library with a certified
teacher-librarian should be a key priority in helping to ensure
struggling high school students are able to obtain a high school