A few more truths about schooling and IQ (which may surprise anyone who views it as a measure of innate intelligence):
Although intelligence does influence the decision to stay in school, staying in school itself can raise IQ or prevent it from dropping.
IQ is affected by delayed schooling. A drop in IQ is seen when schooling is delayed.
Each additional month a student remains in school may increase her/his IQ above what would have been expected had he dropped out.
IQ is affected by remaining in school longer. The longer a student stays in school, the higher her/his IQ.
Dropping out of school can also decrease IQ.
IQ is affected by vacations. The longer the vacation, especially when the child's time is spent on least "mind-stimulating" activities, this decline is evident. (So, parents – make sure your child's holidays are filled with learning experiences in a fun way; e.g., visiting places of interest, enrichment programs, family-bonding activities, etc.)
In short, schooling has a long-term effect on the level of intelligence. Education increases a student's capacity to deal with the problem solving tasks typically found in intelligence tests; therefore a student who has mastered those skills at school will inevitably do well on an IQ test.
Re: Segregation Returns to US Schools
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