200 



Trans. Acad. Sci. of St. Louis. 



BOSTON PUBLIC SCHOOLS. 



Table XII. 



Column " C 



99,934 _*_ 6,466 = 15.5 years. 



AVERAGE AGE OF WITHDRAWAL. 



Table XIII. 



St. Louis. 



Column " A " lSA Years. 



ii iib" 13.3 " 



<i ««C" ' 13.5 " 



Average 13.3 Years. 



Chicago. 



Column " A " UA Years. 



ii <<B" 1^-5 " 



ii <<C" I*- 7 " 



Average I*- 5 Years. 



Boston. 



Column "A" 16.2 Years. 



ii «<B" 1^.9 " 



et "C" 15-5 " 



Average 15.9 Years. 



Issued May 21,1896. 



