The children living in poverty often have poorer language skills …

„The children living in poverty often have poorer language skills at age 3 years and poorer school achievement (reading and spelling) in kindergarten through third grade than peers from more advantaged economic environments.“
Univ.-Prof. Dr. Barbara J. Jackson u. a., Assessing Pre-Literacy Behaviors in Infants and Toddlers: Psychometric Evaluation of the Infant Toddler Literacy Assessment (ITLA-3) (2022), S. 5.