"Bear in mind that the wonderful things you learn in your schools are the work of many generations, produced by enthusiastic effort and infinite labor in every country of the world. All this is put into your hands as your inheritance in order that you may receive it, honor it, add to it, and one day faithfully hand it to your children. Thus do we mortals achieve immortality in the permanent things which we create in common." - Albert Einstein

Sunday, November 30, 2014

When Should a Child Start Schooling?

There is evidence that shows benefits from quality preschool education. A good preschool program can decrease educational gaps between children from high- and low-income families. These gaps are often associated with the limited vocabulary and experiences children in poor homes have. There are, however, gaps observed in the early years of schooling that are not related to family income at all. Children also develop at different rates. There are obviously age differences since birth dates are distributed all throughout the year. Thus, in one kindergarten class where the school entry age is five years old, there are children who just turned five while there are children who would be six after only several weeks in school. A difference of about six months to a year in age can be substantial at a young age. Six months in five years is after all ten percent in terms of time. In terms of skills and knowledge already acquired, the differences can therefore easily be substantial.

Datar and Gottfried recently published a paper in the journal Educational Evaluation and Policy Analysis:


Datar and Goddfried did find gaps between students due to kindergarten entry age. These gaps are obtained after correcting for various other factors (demographics, school, teacher and classroom characteristics). The differences are quite significant at the start of schooling - kindergarten. The advantage of older children remains substantial at first grade, but diminishes with later years. In fact, at eight grade these gaps no longer exist. The following are the results of a 9-year long longitudinal study which followed about a thousand kindergarteners back in 1998.

Above copied from
School Entry Age and Children’s Social-Behavioral Skills: Evidence From a National Longitudinal Study of U.S. Kindergartners, Educational Evaluation and Policy Analysis.
doi:10.3102/0162373714547268, first published on September 11, 2014
In both math and reading scores, children who entered kindergarten at age 6 (shown as red squares, KEA=6y) score several tens of percentiles higher than those who entered kindergarten at age 5. The differences actually persist even up till the end of elementary school. The two only converge at eight grade, right before high school.

Younger children are able to catch up. This study does not really answer when a child should start schooling. As time passes by, a year or a fraction of a year becomes less significant. What the above study clearly points out, however, is the inappropriateness of tracking, holding back, and diagnosing with learning difficulties at the early grades.




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