For example, look at the countries that claim 99 % or higher literacy rate. (drtimball.com)
This greater learning is thought to occur due to peer effects from being exposed to middle - class children who, on average, tend to enter preschool with higher literacy and math skills. (investinginkids.net)
16 percentage point increase of learners at highest literacy levels, meaning 16 % more learners read at the highest level at the end of year two. (lsi.fsu.edu)