▁Statistics ▁ ▁En roll ment ▁ ▁Character istics ▁of ▁the ▁student ▁body : ▁Total ▁En roll ment : ▁ 4 6 0 ▁( 8 0 % ▁board ing ▁/ ▁ 2 0 % ▁day ) ▁Male / F em ale ▁Rat io : ▁ 5 0 % ▁/ ▁ 5 0 % ▁Number ▁of ▁post grad uate ▁students : ▁ 8 ▁Number ▁of ▁countries ▁represented : ▁ 2 2 ▁( 1 9 % ▁of ▁student ▁body ) ▁Number ▁of ▁states ▁represented : ▁ 2 7 ▁ ▁Tu ition ▁and ▁fe es ▁For ▁the ▁ 2 0 1 9 - 2 0 2 0 ▁academic ▁year , ▁Bla ir ▁charges ▁$ 6 4 , 0 0 0 ▁for ▁tu ition , ▁room ▁and ▁board . ▁Day ▁students ▁are ▁charged ▁$ 4 4 , 9 0 0 , ▁which ▁covers ▁tu ition , ▁study ▁rooms , ▁and ▁me als ▁at ▁school . ▁ ▁In ▁rank ings ▁based ▁on ▁tu ition , ▁room ▁and ▁board ▁and ▁required ▁fe es ▁for ▁the ▁ 2 0 1 3 - 1 4 ▁school ▁year , ▁Business ▁Ins ider ▁ranked ▁the ▁school ▁as ▁the ▁ 2 9 th - most - exp ensive ▁board ing ▁school ▁in ▁the ▁United ▁States . ▁The ▁school ▁was ▁ 2 6 th - most ▁expensive ▁based ▁on ▁the ▁publication ' s ▁rank ings ▁based ▁on ▁ 2 0 1 2 - 1 3 ▁data . ▁ ▁Fac ulty ▁Student / F ac ulty ▁Rat io : ▁ 6 : 1 ▁Head ▁of ▁School :