[defrost]

The other 90% of students worked in a factory?

Wouldn't that make them factory workers rather than students though?

[looofooo0]

30% still working on farms.

[defrost]

How does that statement help in parsing:

    According to the top comment, only about 10% of students attended high school at the time.

Were, say, 95% of all students in primary school with another 5% in university or night school courses?