linguistic:paraphrasing
Optimum age for learning to read

There is some debate as to the optimum age to teach children to read.

The Common Core State Standards Initiative (CCSS) in the United States has standards for foundational reading skills in kindergarten and grade one that include instruction in print concepts, phonological awareness, phonics, word recognition, and fluency. However, some critics of CCSS say that "To achieve reading standards usually calls for long hours of drill and worksheets – and reduces other vital areas of learning such as math, science, social studies, art, music and creative play".

The PISA 2007 OECD data from 54 countries demonstrates "no association between school entry age... and reading achievement at age 15". Also, a German study of 50 kindergartens compared children who, at age 5, had spent a year either "academically focused", or "play-arts focused" and found that in time the two groups became inseparable in reading skill. The authors conclude that the effects of early reading are like "watering a garden before a rainstorm; the earlier watering is rendered undetectable by the rainstorm, the watering wastes precious water, and the watering detracts the gardener from other important preparatory groundwork".

Some scholars favor a developmentally appropriate practice (DPA) in which formal instruction on reading begins when children are about six or seven years old. And to support that theory some point out that children in Finland start school at age seven (Finland ranked 5th in the 2016 PIRLS international grade four reading achievement.) In a discussion on academic kindergartens, professor of child development David Elkind has argued that, since "there is no solid research demonstrating that early academic training is superior to (or worse than) the more traditional, hands-on model of early education", educators should defer to developmental approaches that provide young children with ample time and opportunity to explore the natural world on their own terms. Elkind emphasized the principle that "early education must start with the child, not with the subject matter to be taught". In response, Grover J. Whitehurst, Director, Brown Center on Education Policy, (part of Brookings Institution) said David Elkind is relying too much on philosophies of education rather than science and research. He continues to say education practices are "doomed to cycles of fad and fancy" until they become more based on evidence-based practice.

On the subject of Finland's academic results, as some researchers point out, prior to starting school Finnish children must participate in one year of compulsory free pre-primary education and most are reading before they start school. And, with respect to developmentally appropriate practice (DPA), in 2019 the National Association for the Education of Young Children, Washington, D.C., released a draft position paper on DPA saying "The notion that young children are not ready for academic subject matter is a misunderstanding of developmentally appropriate practice; particularly in grades 1 through 3, almost all subject matter can be taught in ways that are meaningful and engaging for each child". And, researchers at The Institutes for the Achievement of Human Potential say it is a myth that early readers are bored or become trouble makers in school.

Other researchers and educators favor limited amounts of literacy instruction at the age of four and five, in addition to non-academic, intellectually stimulating activities.

Reviews of the academic literature by the Education Endowment Foundation in the UK have found that starting literacy teaching in preschool has "been consistently found to have a positive effect on early learning outcomes" and that "beginning early years education at a younger age appears to have a high positive impact on learning outcomes". This supports current standard practice in the UK which includes developing children's phonemic awareness in preschool and teaching reading from age four.

A study in Chicago reports that an early education program for children from low-income families is estimated to generate $4 to $11 of economic benefits over a child's lifetime for every dollar spent initially on the program, according to a cost-benefit analysis funded by the National Institutes of Health. The program is staffed by certified teachers and offers "instruction in reading and math, group activities and educational field trips for children ages 3 through 9".

There does not appear to be any definitive research about the "magic window" to begin reading instruction. However, there is also no definitive research to suggest that starting early causes any harm. Researcher and educator Timothy Shanahan, suggests, "Start teaching reading from the time you have kids available to teach, and pay attention to how they respond to this instruction – both in terms of how well they are learning what you are teaching, and how happy and invested they seem to be. If you haven't started yet, don't feel guilty, just get going".