24 



Indiana University Studies 



grade. This unexpected situation may be due to the popula- 

 tion's not having increased in the estimated way, but it is more 

 probable that it is caused by nonresident attendance. How- 



1600 



1500 , 



1400 . 



1300 V 

 1200 



1100 V 

 1000 



900 . 



800 - 



700 . 

 600 . 



500 

 400 

 300 



200 

 100 



I 



II III IV V VI VII VIII IX X XI XII 



Fig, 5. Showing the number belonging in each grade on tlie basis of 

 1,000 entering school (upper line), on basis of 1,000 in tlie first grade 

 (lower line), and the distribution as it would be if affected by only popu- 

 lation factors. Systems liaving semiannual promotion. 



