A schoolchild has told ITV News the teachers' strike has affected her because she is "not getting enough education" ahead of her SATs exams.
Lauren Scobie said the walkout was both "good and bad" because teachers were "getting the attention" of Education Secretary Michael Gove but they were also adversely affecting her education.
Teachers and campaigners taking part in the national strike have been rallying outside Brighthelm Centre in Brighton & Hove. Our correspondent Malcolm Shaw sent these pictures from the demonstration.
Teachers have been holding a number of rallies across the North West as part of their industrial action, forcing the closure of many schools.
The NUT are boycotting classes as part of an ongoing dispute over pay, pension cuts and working conditions.
Half of the British public oppose teachers going on strike today, according to an ITV News Index poll carried out by ComRes.
When asked whether teachers were right or wrong to go on strike, 51% said they opposed the walkout, 35% supported the strike and 14% did not know.
The poll also showed that those working in the public sector are more likely to support the strike (45%) than oppose it (41%).
Some 2,039 people were asked by ComRes about the strike.
There are "no winners" in the teachers' strike with schools running as if it was "a snow day", head teacher Vic Goddard told Daybreak.
Mr Goddard, the principal on Channel 4's hit documentary series "Educating Essex" described his love for teaching but admitted there was no pleasing everyone with today's strike.
"I am sure I haven't pleased the union today by not having a partial closure. Heads have to make that decision - can I keep all children safe in my school?"
A teacher striking over pay, pensions and conditions told Daybreak she was walking out "to stand up to the erosion of standards and conditions".
Speaking from a school in East Yorkshire, teacher Lynne said it was "incredibly frustrating" teachers were forced to go on strike to be heard.
Thousands of schools across England and Wales will face disruption and closures today as teachers stage a one-day national walkout.Read the full story ›
Thousands of schools across England and Wales will face disruption and closures today as teachers stage a one-day national walkout in an ongoing bitter row over pay and conditions.
The strike, called by the National Union of Teachers, could force some schools to close to some or all pupils.
The action has been condemned by the Department for Education (DfE) who say it will disrupt parents' lives and damage children's education.
NUT members are expected to join picket lines across both nations, with the union also holding a number of rallies.
On the eve of strike action by the National Union of Teachers, the head of Ofsted told ITV News he condemned that action.
Ofsted chief Sir Michael Wilshaw also spoke of his new mission to improve classroom discipline, calling on headteachers to be tougher and more consistent in their methods.
ITV News social affairs editor Penny Marshall reports:
Teacher Tom Hayes has written to the parents of children at his school explaining why he, and his colleagues, have decided to strike.Read the full story ›