“The better the school library, the better the reading scores.” - Stephen Krashen, based on decades of research by Keith Curry Lance and validated by Krashen's own years of research on language acquisition and reading
Instead of looking at the invalid STAAR or TAKS scores, take a look at the PIRLS (Progress in International Reading Literary Study), a reading test given to ten-year-old children in 49 countries). Predictors of high scores on PIRLS:
We have study after study confirming the impact of libraries and librarians on reading. It is not just the number of books, but also the addition of the highly qualified staff there to utilize the resources fully that make the difference.
See the subpages linked below: