用英语如何说“失学人数为上月的1.11倍”

失学人数为上月的1.11倍
The number of people out of school is 1.11 times of last month.

注：“Drop out of school”跟“Out of school”才是“失学”的专用词。

The number of people unable to go to school has risen to 1.11 times of last month.

the number of people who have left school adds 11%