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.
St. Paul's School (Concord, NH) covers the full cost of tuition for any student whose family makes less than $80,000 per year; Phillips Exeter Academy (Exeter, NH) and Groton School (Groton, MA) cover the costs for families making less than $75,000 per year. Therapeutic boarding schools.