A Litdrive blog | June 2026

 

In thinking about the purpose of Litdrive, and the particular needs of English teachers as professionals, I have returned repeatedly to one question: what does the research tell us about what actually sustains and develops teachers over time? The answer, consistently, is some form of sustained, content-focused professional community. This post explores what that evidence base looks like, why it matters particularly for English, and what it might mean in practice.

What the research says about collaborative professional learning

The case for teacher collaboration as a lever for professional development is well-established. Judith Warren Little’s (1990) work on teacher collegiality identified a meaningful relationship between the quality of professional interaction among teachers and the quality of outcomes for students. This was not simply about having good working relationships; it was about the nature of the professional conversation itself. Where teachers engaged in joint work, observed each other’s practice, and thought together about content and progression, the depth of professional learning was qualitatively different.

Helen Timperley’s (2011) synthesis of professional learning and development, drawing on a large body of international evidence, identifies sustained, content-focused collaboration as among the highest-impact forms of professional development available. The emphasis on sustainability matters here. One-off conference attendance or standalone training events do not produce the same effect as regular, ongoing engagement with professional peers around shared questions of practice.

More recently, work by the Teacher Development Trust (Cordingley et al., 2015) has reinforced these findings, noting that the most effective professional development is characterised by collaboration with colleagues, access to specialist expertise, and a focus on subject-specific content. Crucially, this research distinguishes between generic CPD and subject-specific professional learning, finding the latter to be significantly more impactful for teacher development and, by extension, for student outcomes.

The subject-specific dimension

Wenger’s (1998) framework of communities of practice is useful here, not least because it draws attention to what makes a professional community function well. A community of practice is not simply a group of people who share an interest; it is a group in which members collectively develop expertise over time, hold shared domain knowledge, and engage in genuine joint practice. For subject teachers, this means a community that is grounded in the specific knowledge demands of the discipline.

Research by the Subject Association Research Network has indicated that membership of a subject community supports professional identity, subject confidence, and retention. These outcomes are not peripheral. In a sector where specialist teacher attrition is a documented concern, the relationship between belonging to a subject community and remaining in the profession is worth taking seriously.

For English specifically, there are good reasons to attend to subject-specificity in professional learning. Shulman’s (1986) concept of pedagogical content knowledge reminds us that subject expertise and pedagogical knowledge are not separable. The English teacher who is deepening their understanding of how to teach non-fiction reading, or thinking carefully about how a particular text sequence builds cumulative knowledge, needs access to colleagues who share that domain. Generic professional development, however well-designed, cannot replicate the kind of thinking that happens when subject specialists work together on shared curricular and pedagogical questions.

This is particularly relevant given the breadth of the English curriculum. As I have explored in previous writing, English teachers operate across an unusually wide range of content: reading instruction and literature study, language and composition, oracy and media. Curriculum familiarity varies considerably across a department, and this is not a deficit to be managed but a reality to be responded to through deliberate professional community. The collective knowledge of a team is, in this sense, always greater than that of any individual within it.

What this means for professional network membership

It is worth being specific about what kinds of collaboration the evidence supports. Not all forms of professional community are equally effective, and the research consistently returns to a few distinguishing features.

Sustained engagement matters more than the intensity of any single interaction. A teacher who participates regularly in a subject community over a number of years, even through small interactions, is building something qualitatively different from someone who attends a single large-scale event.

Subject-specificity is a significant factor. The mechanisms through which collaborative professional learning improves practice depend on teachers engaging with the substance of their subject, not just with general pedagogical principles.

Contribution, not just consumption, is a feature of the most effective professional communities. Wenger’s framework is instructive here: a community of practice depends on members being both learners and contributors. Networks where teachers share thinking, questions, and classroom experience create conditions for collective expertise development in ways that broadcast models do not.

The range of career stages and school contexts within a community is also relevant. A head of English in a large school and an early career teacher working as the sole specialist in a small team each bring different knowledge and perspective. The exchange between practitioners at different points in their professional journey, and from different institutional contexts, enriches the professional learning available to all.

 

• Subject-specific professional communities have a stronger evidence base for teacher development than generic CPD.
• Sustained engagement over time produces qualitatively different outcomes from one-off events.
• Collective subject knowledge within a community supports individual professional confidence and curriculum development.
• Contribution to a network, not just participation in it, is part of what makes membership professionally generative.

 

Reflection questions

Are there questions about your own curriculum or practice that you have not had the opportunity to think through with subject colleagues?

How does your school or trust support access to subject-specific professional learning beyond the immediate department?

Where do you currently turn for subject knowledge development, and what would you value that is currently not available to you?

 

References

Cordingley, P., Higgins, S., Greany, T., Buckler, N., Coles-Jordan, D., Crisp, B., Saunders, L., and Coe, R. (2015). Developing Great Teaching: Lessons from the International Reviews into Effective Professional Development. Teacher Development Trust.

Little, J.W. (1990). The persistence of privacy: Autonomy and initiative in teachers’ professional relations. Teachers College Record, 91(4), 509–536.

Shulman, L.S. (1986). Those who understand: Knowledge growth in teaching. Educational Researcher, 15(2), 4–14.

Timperley, H. (2011). Realizing the Power of Professional Learning. Open University Press.

Wenger, E. (1998). Communities of Practice: Learning, Meaning, and Identity. Cambridge University Press.

 

Further reading

Cordingley, P. (2015). The contribution of research to teachers’ professional learning and development. Oxford Review of Education, 41(2), 234–252.

Howard, K., and Hill, C. (2021). Symbiosis: The Curriculum and the Classroom. John Catt Educational.

Subject Association Research Network: www.subjectassociations.org.uk

Teacher Development Trust: www.tdtrust.org