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.
Quite a number of schools have tuition that starts under $4,000 per year for elementary levels, while many schools fall into a range of $6,000 to $12,000 per year, depending on what grade your child is in. In general, boarding schools where the tuition covers boarding fees are the most expensive.