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<p>Oh what a revelation! </p>
<p>Now factor in the considerably lesser quality and dedication of teachers in lesser competitive schools systems. Not only did the families who were able to migrate to the suburbs, so were the teachers! </p>
<p>Again, school choice works very well in the United States. Unfortunately, it only works for people who can pay for private schools or afford to move to the spanking new suburbs where the value of the real estate helps “separating” the population based on SES if not racial differences. </p>
<p>There are many reasons why schools systems such as Southlake-Carroll are better than Dallas ISD. The top 10% system is not one of the main ones.</p>