Students will use computers more and more. Instead of just trying to remember lots of facts, many of them useless.

The word “them” refers to

Children will choose what they want to study, and then their teachers will show them how to use computers to learn certain skills and to help themselves think clearly.

The word “they” refers to

Dalton School in the US is already using these new ideas. Students there learn about life in the past. They can see a simulated site on their screens where they control digging and compete to find objects like those used by the ancient Assyrian people.

The word "They” refers to

They can see a simulated site on their screens where they control digging and compete to find objects like those used by the ancient Assyrian people.

The word "those” refers to

Things which are know of believed to be true