The document concludes that there is a correlation between student achievement and school - librarian staffing levels at every grade level, with the strongest correlation at the high - school level. (lrs.org)
They start with Key 1, focusing on all students reading at grade level by grade 3. (tosstn.com)
The focus for Key 3 is to have all students at grade level in both subjects by the end of grade 6. (tosstn.com)