Asked about the issue during a visit to Middlesbrough, Mr Corbyn told The Gazette: "I wouldn't do it myself, I'd advise people to wear a coat and put some proper clothes on - it gets cold out there.
"I've got a lot of sympathy for that teacher, but I wouldn't get too hung up about the whole thing.
He added: "The most important thing is to get the kids into school, the most important thing is to get them there on time, the most important thing is to make sure they have breakfast before they go to school, that they can concentrate when they're there, and they've slept the night before."
The letter dated January 20 said: “I am sure you will agree that it is important for us all to set a good example about what is appropriate and acceptable in all aspects of life, not only from the point of view of their safety, and general well being but also as a preparation for their own adult life.”
Miss Chisholm said the letter had been welcomed by many parents, with one describing it as “amazing”. But others have reacted angrily.
Source: http://telegraph.feedsportal.com/c/32726/f/579309/s/4d326e69/sc/13/l/0L0Stelegraph0O0Cnews0Cpolitics0CJeremy0ICorbyn0C121281850CPut0Esome0Eproper0Eclothes0Eon0EJeremy0ECorbyn0Etells0Eschool0Erun0Eparents0Bhtml/story01.htm