<P> The Native American Cherokee Nation instigated a 10 - year language preservation plan that involved growing new fluent speakers of the Cherokee language from childhood on up through school immersion programs as well as a collaborative community effort to continue to use the language at home . In 2010, 84 children were being educated in this manner . </P> <P> Some 9.7 million children aged 5 to 17 primarily speak a language other than English at home . Of those, about 1.3 million children do not speak English well or at all . </P> <P> In 1999 the School Board of the state of Kansas caused controversy when it decided to eliminate teaching of evolution in its state assessment tests . Scientists from around the country objected . Many religious and family values groups, on the other hand, stated that evolution is "simply a theory" in the colloquial sense (not the academic sense, which means specific and well supported reasoning), and as such creationist ideas should therefore be taught alongside it as an alternative viewpoint . A majority of the board supported teaching intelligent design or creationism in public schools . The new standards, including Intelligent Design, were enacted on November 8, 2005 . On February 13, 2007, the board rejected these amended science standards enacted in 2005, overturning the mandate to teach Intelligent Design . </P> <P> Almost all students in the U.S. receive some form of sex education at least once between grades 7 and 12; many schools begin addressing some topics as early as grades 4 or 5 . However, what students learn varies widely, because curriculum decisions are so decentralized . Many states have laws governing what is taught in sex education classes or allowing parents to opt out . Some state laws leave curriculum decisions to individual school districts . </P>

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