After decades of building, the American dream for universal, free secondary' educa tion was finally achieved in the early 1960s when the overwhelming majority of the country's youth was enrolled in high schools There had been strains on the system of high schools as it grew; now that it is fully in place, the stresses arc more insis tently apparent raising the question of whether the high schoo...

Teach For America’s size and reach gives it a unique vantage point on educational inequity in America. Since its inception in 1990, Teach For America has recruited, selected, trained, and supported over twenty thousand teachers in urban and rural low-income communities across the country. Currently hundreds of Teach For America program staff, many of whom were highly effective teachers themselv...

This paper deals with a novel method for solving optimal control problems based on genetic programming. This approach produces some trial solutions and seeks the best of them. If the solution cannot be expressed in a closed analytical form then our method produces an approximation with a controlled level of accuracy. Using numerical examples, we will demonstrate how to use the results.

Speaking is such an important part of our lives. We use it to communicate with families, friends, and even pets! Not only do we talk a lot, but are also very good at it. Healthy speakers can say 2–3 words per second usually produce error about once every 1,000 words. To limit the number errors make, continuously monitoring own speech. While speaking easy, brain process speech quite complex. In ...