This study examines the impact of school librarian full-time equivalent (FTE) levels on student achievement in Missouri using state-level assessment data. Results indicated that schools with full-time librarians had significantly higher proficiency rates compared to schools with part-time or no librarians. Furthermore, the effect sizes demonstrated the positive impact of having a school librarian on student achievement across school levels and content areas. This study provides evidence supporting the importance of school librarians in enhancing student performance on state-level assessment
Burress, R., Atkins, C., McDonald, B., & Burress, D. (2023). The power of full-time certified school librarians in Missouri: Boosting student achievement across disciplines. School Libraries Worldwide, 28(2), 1-18.
https://journals.library.ualberta.ca/slw/index.php/slw/article/download/8695/5189