By the time a child reaches the age of 4 or 5, most parents and caregivers have heard about "kindergarten readiness. " But what if a 5-year-old still struggles to count to 10, sing the alphabet song or play cooperatively with other children?
Source: [Phys.org](https://phys.org/news/2026-10-kindergarten-redshirting-retention-shifted-sharply.html)