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.
School fees. Fees vary widely from school to school. The 2014 Independent Schools Council (ISC) Annual Census revealed that, in January 2014, the average boarding fees per term for pupils at ISC-member senior boarding schools were Â£9,502, with day fees at Â£5,698.