A reactor is where a nuclear reaction is controlled, making it possible to create energy or any number of artificial elements. Reactor these days almost always refers to a nuclear reactor, where atomic fission of uranium or plutonium creates the heat used to make steam to generate electricity. Originally, though, reactor meant a vessel in which chemical processes were made to generate useful products such as nylon and artificial sweetener.
Ever since its initial enactment, the federal law has included a commitment to pay 40 percent of the average per student cost for every special education student. The current average per student cost is $7,552 and the average cost per special education student is an additional $9,369 per student, or $16,921.
1 Public high schools don't charge tuition, but may charge fees of $5-$200 or more per item for textbooks, supplies, physical education, clubs, yearbook, technology or participating in sports or other activities. 2  Total fees can be $100-$700 or more a school year. A residential (boarding) high school can cost $30,000-$80,000 or more a year. 2  Members of the National Association of Independent Schools charge an average median of $45,219.