Does Setting Help or Hinder?

For decades, one of the most contentious debates in the staff rooms and around the dinner tables of the UK’s independent sector has been how we group our children.

While schools market a bespoke, personalised education, the structural reality often involves sorting pupils into sets based on their current attainment. Is this the most efficient way to stretch "high-flyers," or is it, as some critics claim, a form of "symbolic violence" that caps the potential of those in the lower tiers?

Recent research from 2026 has begun to upend long-held assumptions, suggesting the impact of setting might be far more nuanced than we once thought.

What is setting?

While the terms are often used interchangeably, there are critical distinctions between how schools group pupils:

Setting: Grouping pupils by subject attainment for teaching in that specific subject. For example, a child could be in the top set for Mathematics but a middle set for English.
Streaming (or Tracking): Grouping pupils by a generalised conception of ability across several or all subjects. A pupil in the "top stream" stays with that same group for nearly every lesson.
Banding: Dividing a large year group into broad "bands" (e.g., top, middle, and bottom), with several parallel classes within each band.
Mixed-attainment: Grouping pupils so there is a wide range of prior attainment in each group.

In the independent sector, setting is the dominant practice, especially in cumulative subjects like Mathematics and Science, as it allows schools to claim each child is being "appropriately challenged."

A brief history of setting

In England, the approach to grouping has swung like a pendulum: (1)

1900–1945: Influenced by early eugenics and the idea of "innate intelligence," rigid streaming was common to identify a "real aristocracy of the nation."
1960s–1970s: The "comprehensive ideal" took hold. The 1967 Plowden Report (8) welcomed "unstreaming," arguing that rigid labels were "wounding to children."
1997–2008: New Labour and later Conservative governments aggressively pushed for a return to setting, prioritising "differentiation" and the needs of "gifted and talented" pupils.
The Independent Sector: Throughout these shifts, private schools remained bastions of more traditional grouping, often driven by parent expectations that their children be placed in "top sets" to secure pathways to elite senior schools and universities.

What the research says about setting

For a long time, the consensus from the Education Endowment Foundation (EEF) was that setting had "no impact" on average because the slight gains for high-attainers were cancelled out by the negative impact on lower-attainers. (2)

However, recent studies, particularly by Professor John Jerrim (3), have challenged this narrative.

The Case for Setting:

High-Flyer Progress: 2026 UCL research found that high-achieving secondary pupils in mixed-attainment classes actually made two months’ less progress compared to those in sets. (4)
"Null Effects" for Disadvantage: Jerrim’s analysis of international TIMSS data found no clear evidence that ability grouping harms the test scores, self-confidence, or subject enjoyment of disadvantaged pupils. (4)
Teacher Confidence: Primary teachers often report feeling more comfortable and better equipped to support both struggling and high-achieving students in setted environments. (5)

The Case Against Setting:

Lack of mobility: A major concern is that once a child is put into a particular set, they tend to stay there. This can create a self-fulfilling prophecy. In particular, private schools may avoid the difficult conversation with a parent when they feel that their child needs to be moved down a set, which creates incumbency and less room in the top sets for children to move up.
Psychological Stigma: Critics highlight a "geography of affect" where children in lower sets internalise labels like "low achiever," leading to lower expectations and a sense of shame. (2)
Curricular Narrowing: Lower sets may be given a less ambitious curriculum or non-specialist teachers, which can act as a "self-fulfilling prophecy." (6)
“Lower set teachers”: Many feel that it’s not just less-capable children that end up in lower sets, but also less-capable teachers. This too creates a self-fulfilling prophecy, locking children into lower sets. (7)

The importance of mobility

The ethical and pedagogical defence for setting often rests on one word: mobility. If sets are flexible, they are a response to current needs; if they are rigid, they become permanent labels.

The Reality of Movement: While schools promise fluid movement, research suggests that set reallocation is often rare. Roughly 34% of secondary teachers report that student movement between sets happens "only rarely." (2)
Barriers to Moving Up: Movement is often hampered by "curricular mismatches"—if a lower set is taught a different, less challenging version of a topic, it becomes structurally difficult for a pupil to "catch up" to the top set later.
Parental Advocacy: In independent schools, set mobility is often influenced by "Hyper Chooser" parents who use their cultural capital to advocate for their children’s upward movement.

Ultimately, the 2026 research suggests that neither setting nor mixed-ability grouping is a "magic bullet." The key is for schools to ensure that, if they do set, the allocation is transparent, the monitoring is continuous, and every child—regardless of their set—has access to high-quality, high-expectation teaching.

For what it’s worth…

As parents, our attitudes towards setting or streaming almost certainly depend on where our own children sit in the hierarchy and, frankly, our “pushiness”.

For those of us with children in the top sets, we’re only likely to have beef if we had to tutor aggressively and push hard for the child to sit there.

Misgivings are most likely found in parents with children in the bottom sets. However much this might have a psychological impact on us as parents, and our kids, it’s important to remember that we should be careful what we wish for.

The evidence is split, and that should be no surprise. We’ll never have a true A/B test to understand the counter-factual: “would they have done better if they weren’t in the bottom set?”. It’s very possible that being a “bigger fish in a smaller pond” was actually far better than feeling like they were way behind their peers.

A legitimate concern is that labels are applied very early, and these can be hard to shake. If the seeds of streaming take root in pre-prep (year 1), then the oldest children in that year could be 17% older than the youngest. This, proportionally, is a massive amount of “extra development” that the oldest have over the youngest.

This is why constant re-evaluation of sets and mobility within them is essential. As children mature and discover their strengths and passions, this must be recognised so that they can grow out of their historical labels.

As parents, we need to speak to our children and their teachers. We need to make the most of parents’ evenings and not be afraid to push if we think our children aren’t being challenged.

Sources

Comments (0)

All comments are subject to our Terms of Service. Please contact us to report any content that you think violates them.

Join the Conversation

You must be logged in to share your thoughts, comment, and like posts.

Don't have an account? Sign up

No comments yet. Be the first to share your thoughts!