The strike will now disrupt students as it coincides with GCSE and A-Level examinations.
Controlled assessment is GCSE coursework which is sat in the classroom under strict supervision and marked by teachers.
BBC: GCSE English: Teachers' anger over generous marking claim
Teenagers should be awarded GCSE scores rather than grades, the international exams group Cambridge Assessment says.
Colston's Girls' School was the top-performing maintained school in Bristol at GCSE in 2012.
And he said a tougher GCSE in some key subjects would come in from autumn 2015.
Pupils in the top, GCSE year are now back in school five days a week.
Now they are talking about changing the GCSE exams to this style as well?
From September, pupils in England starting GCSE courses will mostly take exams after two years.
There has been a large fall in numbers taking modern languages at GCSE in England.
And GCSE results are not markedly better than they were when you came in.
In GCSE one of the two papers at each tier did not permit calculators.
On Monday, a wrong figure was included in a table for a GCSE business studies paper.
However, pupils have been taking A-level and GCSE exams on Monday despite the difficult conditions.
At GCSE, there were changes to 0.53% of the total number of grades awarded.
The news comes as more than 45, 000 pupils prepare to resit their GCSE English exams.
The row over the English exams broke out as national GCSE results were published in August.
England's exams watchdog, Ofqual, has rejected claims that GCSE English grades awarded this summer were "unfair".
At present, more than 70% of the working population have reached GCSE level or the equivalent.
Instead, students will be given an extra chance to resit the GCSE next month.
The board said teachers at its GCSE training course would not have benefited unfairly from the advice they received.
The table shows the roughly 200 schools in England whose GCSE benchmark scores drop most when equivalents are removed.
The exam regulator has faced strong criticism from school leaders over this year's GCSE English grades.
But head teachers have expressed concerns this year's English GCSE grading row would affect the results.
Some 45, 000 pupils resat GCSE English last month, with the results expected next week.
The Northern Ireland exams office carried out its own review into GCSE English grades.
His economics GCSE class is an experiment, part of a policy of promoting more academic subjects.
However, many insist they will be open for pupils who have to sit GCSE and A-level exams.
Ofsted praised history teaching at GCSE and A-level, but said attainment was "weaker" among younger secondary pupils.
St Marylebone was praised three years ago as the most improved school in England for GCSE results.
Suffolk has dropped into the bottom 10 in the government's league tables for state school GCSE results.
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