A good teacher with a smart class can do wonders, while the same teacher with a dull class can barely tread water.<p>In small school districts like the one I grew up in, your district can bounce from A+ in the test score rankings with one class of above average intelligence students, to failing the next year when you have a class full of SPED kids, then back again the next year.  I&#x27;ve seen it happen, it is what it is.  Try as hard as you may, you can&#x27;t make chicken salad from chicken shit...