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Do setting and streaming work?

Politicians may favour dividing children according to ability, but academic studies cast doubt on its efficacy. William Stewart reports

Politicians may favour dividing children according to ability, but academic studies cast doubt on its efficacy. William Stewart reports

Should you group students according to academic ability? It is a question that can split schools down the middle in more ways than one.

Politicians of all parties consistently call for an increase in setting and streaming. Ofsted appears to support it, parents are supposed to be impressed by it and teachers often find it much easier than taking mixed-ability classes.

But a long line of academic studies has cast doubt on its effectiveness as a tactic for raising achievement among all students. A serious weight of research now suggests that the effect of ability groups is at best limited and at worst damages the prospects of the very children most in need of an educational boost.

Yet the separation of classes along the lines of academic ability has been making a comeback in England's state schools.

Some secondaries have gone as far as reintroducing that most controversial and rigid form of the policy: streaming. And some school leaders have even made a virtue of it and created "grammar school streams" within their comprehensives, complete with their own special uniforms and dedicated staff.

In and out of favour

The internal organisation of schools according to student ability is nothing new and was commonplace from the early 20th century onwards. It declined in popularity during the 1960s when mixed-ability teaching became fashionable but made a strong comeback under the Conservative governments of the 1980s and early 1990s.

According to Ed Baines, a senior lecturer in the psychology of education at the Institute of Education, University of London, by the early 1990s more than 80 per cent of secondaries used setting for at least two subjects at the end of key stage 3 (S1-3), and 63 per cent for at least four subjects.

When Labour took over towards the end of that decade, it wanted the trend to continue. The new administration's Excellence in Schools White Paper, published in 1997, stated that "setting should be the norm in secondary schools" and added that "in some cases it is worth setting in primary schools".

The growth in setting continued. But it was not fast enough for the Tories. By 2007, the party, still in opposition, issued a Green Paper, which argued that setting by ability was the "only" way to "ensure that each student should be given the opportunity to learn in accordance with their particular aptitude and ability, so that the brightest continue to be stretched at the same time as students who might be struggling are given extra support".

But what about setting's more extreme cousin - streaming? Here, schools do not focus on grouping students according to their abilities in particular subjects. Instead, they make a general assessment of their ability and then place them in a single stream that operates for all or most of the subjects they study.

This method has been more controversial because of its rigidity. It allows no scope for the possibility that students might have differing ability levels in different subjects. It is also likely to be harder for students to move up a stream than it is for them to move up a set. Critics argue that streaming can be particularly damaging to students' self-esteem.

Roger Leighton first decided to introduce streaming, or at least a version of it, to the Sydney Russell School in Dagenham in about 2003, roughly six years after he became head of the East London comprehensive.

He says it was a trip to Switzerland - where he saw secondaries dedicated to students with particular aptitudes andor ability levels - that inspired him to group classes by ability.

Mr Leighton felt he had to change things because results at the Sydney Russell School - situated in the middle of one of Europe's largest council estates - were at rock bottom. In 1996, just 10 per cent of students were achieving the GCSE benchmark and 30 per cent were leaving without any exam passes at any grade.

"We needed to do something radically different," he says. "In a school with multiple disadvantages and low aspirations, what we needed was a clarity of structure that could serve the needs of all the students." The result was what Mr Leighton describes as "banding" - essentially a more nuanced version of streaming.

In schools that operate pure streaming, students are likely to be put in the same level of class - decided according to student ability - for all lessons. But Mr Leighton's version gives the teachers scope to place students in different sets for different subjects within three broad ability bands or streams, known in the school as "pathways".

A decade on, results have improved dramatically. Mr Leighton regards banding as such a success that he is introducing it to Riverside School in Barking, East London, a temporary foundation trust school he opened in September 2012 (in consultation to become the Riverview Free School).

Following 'pathways'

In a different corner of South London, another comprehensive, competing with real grammar schools, decided to take streaming to its ultimate conclusion. Crown Woods College in Eltham does not simply group students by ability into different "pathways"; it puts them into different "schools" within the school.

Students sit cognitive ability tests at the start of Year 7 (P7) to determine which "small school" they will be placed in. Each comes complete with a distinctive uniform and colour-coordinated buildings.

Those finishing in the top third go to Delamere and are instantly recognisable by their purple ties. Students of a lower academic ability go to either Ashdown, and wear red, or Sherwood, where they dress in blue.

The school says that in its first four terms of operation this extreme form of streaming has improved exam results and behaviour. But it has caused a great deal of controversy - so much so that headteacher Michael Murphy declined to discuss it publicly with TES last year.

In January he did speak to the BBC but said he preferred that the word "streaming" not be used, because, he said, it was "a pejorative term that has all sorts of connotations".

Anyone wondering why need only read the book Bad Education: debunking myths in education in which Ed Baines sums up the huge body of research into grouping by ability. He says the evidence shows that, in general, grouping by ability lowers performance and exacerbates existing socio-economic inequalities.

Streaming can have positive effects for some gifted students but only if they are taught a specially enriched curriculum. And lower-ability students are likely to have poorer outcomes under the system, according to the research he discussed.

A pragmatic choice

But why are schools opting for the system when so much evidence seems to point against it? One reason is that they are marketing themselves to parents who are unlikely to be aware of such evidence, and may well see grouping by ability as a good thing.

Secondaries, particularly those in London, operate in an increasingly competitive environment and if they do not attract enough students, they can struggle to survive. Crown Woods College is a case in point. As a comprehensive competing with selective grammars in nearby Bexley, it found itself losing out in the fight for the brightest students.

Mr Murphy says introducing streaming helped him to turn that around. "I felt if we made explicit the provision for high-ability children, we would be able to attract those children and their parents who would rather not put them in to take the Bexley 11-plus, but would feel comfortable with the type of provision we'd make for them - and that's entirely what's happened," he says.

"I think it was Margaret Thatcher who said you can't ignore the market, you have to respond to it... If you have a really hard-nosed view and want your school to succeed, this is what you have to do. We wouldn't have attracted the students otherwise."

Judette Tapper, head of Platanos College in South London, admits that similar reasons lay behind the introduction of the Grammar School Pathway at her comprehensive. Designed for those who "show academic ability and are developing skills as independent learners", this top stream aims to prepare promising students for progression to university.

The head is unapologetic about her belief in the grammar school brand. "It's traditional," she says. "It's what many parents would think of when you say traditional. It is something that is rigorous, something that is stable."

But it would be wrong to portray branding as the only factor contributing to a more favourable climate for streaming. English schools cannot ignore the views of Ofsted, and last September chief inspector Sir Michael Wilshaw made some outspoken comments on the subject.

He warned that some students were actually being held back by "the curse of mixed-ability classes without mixed-ability teaching". "Where there are mixed-ability classes unless there is differentiated teaching... it doesn't work," he said, adding that effective differentiated teaching is "hugely difficult" to achieve.

"We will be very critical when we inspect schools, particularly in the secondary sector, if we see mixed ability without mixed-ability teaching," he argued.

In other words, the approach has to work in practice as well as theory. It was that kind of pragmatic thinking that lay behind Mr Leighton's switch to streaming.

When he first suggested it at the Sydney Russell School, he encountered "vociferous opposition" from some members of staff who said he was proposing "social engineering" that would prevent students of different abilities from mixing.

"My answer was to ask, 'How many of your own personal friends are markedly different to you in their intellectual capabilities?'" he says. "The truth is we naturally tend to gravitate towards people of a similar intelligence. Secondly (I said), 'Just look out in the playground, when students are no longer forced to be with certain people, and see who they choose to congregate with'."

Mr Leighton emphasises that for streaming or banding to work, lower-ability students must not be left with the weakest teachers. But he disputes the notion that, in practice, streaming - seen as controversial - differs in any profound way from setting by ability, which is commonplace.

"You look at schools that set and you will find that most kids tend to be in the same sets for everything," he says. "This idea that you can be a genius at English and a complete no-no in science is actually not really true.

"Broadly speaking, if you come in above-average ability, you are probably going to be in the top sets for everything. To me it is just a question of facing reality rather than pretending it doesn't exist."

Bringing in changes

- Define the key decision-makers within your school and try and get them on board as soon as possible.

- Take them to visit schools where the system is working successfully, so they can see the reality in operation.

- Be clear why you are doing it. This is not a quick fix to solve your A*-C grade issues. It is a method and a structure designed to benefit all students.

- Ensure you are clear on the practicalities: timetabling, ongoing assessment of student progress and organising moves from one band to another.

- Make sure your communication strategy is sound. Ensure that the people you need to convince are clearly informed, so that you can dispel some of the myths.

- Avoid any suggestion that anyone in the lower bands will get a raw deal with the weakest teachers and poorest resources. Guard against that, both in reality and perception.

- Avoid any labelling or a culture of low self-esteem and maintain that as you go.

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