IQ tested before kindergarten

Do you believe babies/young childrens IQ should be tested before starting kindergarten? Explain.

Based on the results of the IQ testing, would it be fair to place some young children in more advanced or remedial classes based on the results? Why or why not?

 Do you believe such testing might result in disparate treatment or in identifying children as potential offenders or as being feeble-minded? Explain.