There are only three reasons for the integration of technology at schools:
EQUALITY, EQUALITY and EQUALITY.
Some people can underline other reasons: professional demands, new learning methods, new skills... They are important, but not the main reason.
I only can think about one main reason. "Everyone has the same right to access to the world of culture and information".
And nowadays, culture and information are synonymous for "ICT, free knowledge and broadband connections".
Let's not look to other places.