I didn't read the responses but the middle school that DD will be going to clusters together gifted kids (based on cognitive ability scores or IQ) w/ high achievers into separate classes from the rest of the student population. So if it's a math class, for instance, the entire class will either be gifted or high achieving, or both. I think this is nice because sometimes a kid will have a high ability in a certain subject, but not test with a high IQ. And then there are those kids who have high IQs but are either twice exceptional or under-achieving for one reason or another. The classes are not more "work" (supposedly) but deeper or accelerated content. We are not actually there yet so I don't know how well it works.