The School Library Association warns that a 'critical' educational resource is gradually fading away.

New data estimates two thirds of schools don't have working libraries.

Of around 2500 schools, there are only 56 full-time librarians, and 873 part-time.

Association president Claudine Crabtree says libraries are crucial, as they encourage children to value reading.

"Reading for pleasure has been shown to be the single biggest indicator of a child's future success- more than their family circumstances, their parent's education background and their income."

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