Children, some of whose parents are graduates of the sort of “progressive” education the school championed, are arriving for their first term so badly behaved that the school has been forced to adopt the smack of firm discipline.

Pupils used to recite Shakespeare to cows in fields or go communal bathing.

They would hand out their own punishments to those they considered unruly, holding courts and sometimes handcuffing their classmates to telegraph posts.

But the head, Zoë Neill Readhead, the daughter of the school’s founder A S Neill, says permissive parenting is producing a generation of over-indulged children more attentive to televisions and computers in their rooms than playing with fellow pupils.

The “free school”, where annual fees range from £5,481 to £11,166, has put new emphasis on lessons and class work and admits it finds itself in a new disciplinarian role with some children.

In a new book on the history of the school — founded by Neill in Germany in 1921 but moved to Leiston, near Aldeburgh in Suffolk, in 1927 — Readhead says the school sees “the result of parental interference and overindulgence all the time”.

“In the 1940s and 1950s Summerhill was the place where children learnt that adults would not brutalise or frighten them,” she writes.

“Now the Summerhill community finds itself in the role of disciplinarian, teaching kids that they can’t do what they like and that they have to have regard for other people’s rights and feelings, A bit of a role reversal that Neill would have found interesting.”

She told The Sunday Times this weekend: “Parents do not want the discipline and repression they had, but they do not know what they do want. What we see in society is often a lot of spoilt brats.

“Living in a community as we do, you have to learn how to behave. You cannot do what you want, you cannot do what you like. Children are used to having DVDs and computers and TVs in their rooms. Some are coming into school and saying, ‘Why can’t I do that, I am allowed to do it at home?’

“Children now come from homes where they have been overindulged. ‘I do not have to go to bed when you tell me,’ they might say. But then it is brought up at one of the meetings we hold three times a week. Everyone decides on the fine that is appropriate.

“Summerhill has 200 more laws than any other school,” she revealed. “It has been called the ‘do-as-you-like school’, but it isn’t. You can skip lessons, they are optional. That is part of your freedom as an individual.

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