Fairytale Of New York Pogues/Kirsty MacColl
Hundreds of Hertfordshire schools have told Heart they will close on Wednesday 30 November 2011 when thousands of teachers go on strike.
As many as two million public sector workers are expected to walk out in a row over pensions. Other council services, hospitals and driving tests are also likely to be affected.
You can also check Hertfordshire's local council websites for information about disruption to other public services: