Research School Network: How Mixed-Age Classes Can Strengthen Inclusion Rather Than Create Challenges Lets explore how a mixed-age classroom structure can provide unique opportunities to strengthen inclusion.

How Mixed-Age Classes Can Strengthen Inclusion Rather Than Create Challenges

As school leaders develop their Inclusion Strategies, mixed-age classes may be viewed through a deficit lens. Concerns about curriculum coverage, adaptive teaching, and meeting a wide range of needs can dominate discussions. However, for many schools, mixed-age classes are not simply an organisational necessity but a powerful driver of inclusion.

The Department for Education’s inclusion guidance encourages schools to identify and build upon existing strengths in their context. A mixed-age classroom structure can provide unique opportunities to develop belonging, peer support, adaptive teaching, and mastery-oriented learning cultures. Rather than asking, ​“How do we overcome the challenge of mixed-age classes?”, leaders might consider, ​“How do we maximise the inclusive opportunities that mixed-age classes offer?”

A Natural Environment for Peer Support

One of the most obvious strengths of mixed-age classrooms is the opportunity for pupils to learn from one another. Older pupils frequently model learning behaviours, routines, vocabulary, and social skills for younger peers. Meanwhile, younger pupils benefit from seeing what successful learning looks like beyond their current age and stage. This creates regular opportunities for peer tutoring, collaborative problem-solving, and supported independence.

For all pupils, but particularly pupils with SEND, peer support can be powerful as they receive help and encouragement from peers in ways that feel more natural and less stigmatizing than adult-led support. Inclusive classrooms are built on relationships, and mixed-age settings can foster these relationships daily.

Flexible Grouping Becomes the Norm

In mixed-age classrooms, teachers regularly group pupils according to learning needs, prior knowledge, interests, or specific curriculum objectives. As a result, flexible grouping becomes part of everyday practice rather than an occasional adaptation. This aligns closely with evidence-informed inclusive teaching approaches, which emphasise responsive teaching and adapting support based on need. Pupils become accustomed to moving between groups and learning alongside different peers, helping to reduce labels and fixed perceptions about ability.

For leaders developing an Inclusion Strategy, this presents an opportunity to highlight how mixed-age classes already support inclusive practice through:

• Flexible grouping
• Responsive teaching
• Scaffolded support
• Peer collaboration
• Adaptation without lowering expectations

Building a Strong Sense of Belonging

In small schools, pupils often remain together for several years, creating strong relationships across age groups. This continuity can promote a sense of belonging that is particularly important for pupils who are vulnerable, anxious, or have additional needs. Older pupils often take on mentoring and leadership roles, while younger pupils feel secure within established classroom communities.

Research consistently highlights belonging as a key factor in pupils’ wellbeing, engagement, attendance, and achievement. Inclusive schools are places where every child feels known, valued, and connected.

Mixed-age classrooms can support this by creating:

• Strong cross-age friendships
• Community responsibility
• Shared identity
• Increased empathy and understanding
• Positive role modelling

When writing your Inclusion Strategy, consider how belonging is fostered through the existing structure of your school and how this strength can be developed further.

Implications for Your Inclusion Strategy

When identifying strengths within your setting, mixed-age classes should not simply appear as a contextual challenge or barrier to overcome. They may already contribute significantly to inclusive practice.

Your strategy might recognise how mixed-age classrooms support:

• Peer tutoring and collaborative learning approaches.
• Flexible grouping based on need rather than age.
• Strong relationships and belonging.
• Mastery-focused learning and secure understanding.

These strengths align closely with the DfE’s ambition for schools to become increasingly inclusive through high-quality teaching, early support, positive culture, and participation for all pupils. Many also align closely with the EEF’s Inclusive Teaching Universal approaches Universal approaches | EEF.

As you develop your Inclusion Strategy, it is worth asking not only what pupil learning barriers exist within your context, but also what opportunities it presents. For many schools, mixed-age classes are more than an organisational solution. They are a foundation upon which inclusive cultures, strong relationships, and successful outcomes for all learners can be built.


References

Department for Education (DfE) (n.d.) Developing an inclusion strategy using the inclusive mainstream fund. Available at: https://www.gov.uk/government/publications/inclusive-mainstream-fund-support-for-school-leaders/developing-an-inclusion-strategy-using-the-inclusive-mainstream-fund
(Accessed: 6 October 2026).

Education Endowment Foundation (2026) Guide to Inclusive Teaching. London: Education Endowment Foundation. Available at: https://educationendowmentfoundation.org.uk/education-evidence/inclusive-teaching
(Accessed: 6 October 2026).