Why ocean are salty and great lakes are not? The source of river water are usually snow melt or rain, so it always starts off fresh. But minerals are also dissolved into the river water, so more minerals ultimately â¦ end up in the ocean.
The average annual boarding school tuition is $38,850. Of course, there are some schools with tuition as low as $10,000 and others as high as $60,000.
1 According to CollegeBound.net, the average boarding school can vary in price anywhere from $10,000 to $60,000. 2  They noted that the average boarding school tuition today is around$38,850. Boarding schools are going to widely vary anywhere between 200 and 1,000 students. 2  The average school, though, will have around 400 classmates. 3  Boarding schools will widely vary regarding what they are going to teach and what curriculum they will use.