In the first photo you can see the uniform of the children is green and white. Older girls usually wear the salwar kameez while younger girls were a dress.
The photo below is taken in another area, near Diwekarwadi, south-east of Mumbai. One of these boys certainly has a book with him, but others do not.
Notice that the children do not have any uniform footwear. The rural schools apparently do not make any particular type of footwear compulsory, probably due to the limited means of the students.
Here is a lucky boy who has a cycle which he is riding to school
Children playing Holi in semi-rural India or try the label "Rural India" if you looking for more country images.
For photos of school kids in the city: Urban school children in India