198 



Trans. Acad. Sci. of St. Louis. 



Table VIII. 



CHICAGO PUBLIC SCHOOLS. 



Column «' B." 



Per cent of 



External 



Gain in 



Population. 



+ 3.7 



+ 2.5 



H- 3.8 



+ 0.5 



+ 3.8 



+ 2.1 

 +39.5 



+ 5.6 



4- 6.3 



-\- 4.2 



+ 7.0 



+ 5.4 



Amount 



of 

 Increase. 



376 

 248 

 380 



50 

 355 

 191 

 ,999 

 394 

 286 

 107 

 115 



37 



Possible 

 Number. 



10,161 



10,537 



10,180 



10,386 



10,003 



9,711 



9,294 



10,592 



7,423 



4,826 



2,670 



1,752 



724 



302 



Withdrawn 



605 



174 



433 



647 



608 



1,701 



3,563 



2,883 



2,263 



1,033 



1,065 



422 



302 



15,699 



Year 

 Pupils. 



4,840 



1,566 



4,330 



7,117 



7,296 



22,113 



49,882 



43,245 



36,208 



17,561 



19,170 



8,018 



6,040 



227,386 



227,386 H- 15,699 = 14.5 years. 



Table IX. 



CHICAGO PUBLIC SCHOOLS. 



Column " C." 



Per cent of 



External 



Gain In 



Population. 



+ 3.7 

 + 2.5 



+ 3.8 

 + 0.5 

 + 3.8 

 + 2.1 

 +39.5 

 + 5.6 

 + 6.3 

 + 4.2 

 + 7.0 



Amount 



of 

 Increase. 



345 



239 



356 



44 



322 



144 



1,875 



222 



151 



63 



49 



Po.^slble 

 Number. 



9,336 

 9,681 

 9,790 

 9,719 

 8,864 

 8,791 

 7,018 

 6,623 

 4,181 

 2,542 

 1,554 

 751 

 254 



193,096 -r- 13,146 = 14.7 years. 



