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 Boarding schools that offer special services and clinical sessions can cost more than 30% compared to the typical boarding school tuition rates. 2  Special services tuition can be as high as $7,000 per year, depending on the childâs disability. 3  Staying on campus will often cost $5,000 to $10,000 more per year. 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.