Teachers blame Facebook and Twitter for students' low grades and poor concentration...

Teachers believe social networking sites are to blame for pupil's poor grades, a study has revealed.

According to the report, children who spend much of their time online find it harder to concentrate in class, are permanently distracted and have shorter attention spans.

Teachers also put the dip in the quality of children's' homework down to their willingness to spend their evenings on Facebook and Twitter instead of studying.

And many are unhappy at the increase in the number of children who are using text-speak or social networking chat - such as 2mor, msg, lol and bk - in place of English grammar. More...

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