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 A residential (boarding) high school can cost $30,000-$80,000 or more a year. 2  Members of the National Association of Independent Schools charge an average median of $45,219. 3  Boarding school costs $46,000 at Chapel Hill-Chauncy Hall School in Waltham, MA and $53,925 at Woodside Priory School in Portola Valley, CA. Parent may be responsible for providing transportation to a private school; or it can cost $300-$2,000 or more. 2  Ravenscroft in Raleigh, NC charges annual bus fees of $360-$1,750, depending on the student's location.