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Lesson study: how do we know it works and how do we design research to demonstrate that it does work?

Marie Joubert

Geoff Wake

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Lesson study: how do we know it works?

Many small studies

Focus on teachers

Teacher learning and attitudes are important

What about the student outcomes?

How do we extract the influence of lesson study from everything else?

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This talk

A study that addresses the research concerns:

  • A large study
  • Looked at a) a teaching approach (off the shelf) and b) same teaching approach (with substantial professional development)
  • Implementation and process evaluation
  • Impact (on students) evaluation

How was the research designed?

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Research context: England

At 16, large numbers of students do not achieve a ‘pass’ in national examinations

Funding to continue studying (usually at a Further Education college) requires them to re-take mathematics

One year course – effectively 8 months

National focus on Mastery in mathematics

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Our research : �Mastering Mathematics �– a randomised controlled trial

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Research design

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Lesson study

Mastery Key Principles

Mastery Lessons

Lead teachers

Full intervention teachers

Part intervention teachers

Control teachers

Professional development

Teaching

Knowledge and practice

Professional development

Professional development

Teaching

Teaching

Teaching

Knowledge and practice

Knowledge and practice

Student learning and scores

Student learning and scores

Student learning and scores

Knowledge and practice

University of Nottingham

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Collaborative Lesson Research (lesson study) process

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Research question

Plan the research lesson

Teach the research lesson

Post-lesson discussion

Summarise

research findings

Research Theme

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Question: in the context of a randomised control trial …

Students: should have the same experience of mastery

Teachers: should have the same understanding of mastery (both groups)

and the same lesson study experience (full intervention)

Lead teachers: should run collaborative lesson research in the same way

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How do you provide a lesson study experience?

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What we did

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CLR (lesson study) process

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Research question

Plan the research lesson

Teach the research lesson

Post-lesson discussion

Summarise

research findings

Research Theme

Lessons

Research theme

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Mastering Maths: �Five Key Principles

5. Develop a collaborative culture �in which everyone believes everyone �can succeed

2. Value and build on students’ �prior learning

4. Develop both understanding �and fluency in mathematics

1. Develop an understanding of mathematical structure

3. Prioritise �curriculum coherence and connections

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Mastering Mathematics in FE: about the lessons

Define and inform an approach to Mastering Mathematics

Designed in alignment with, and exemplify, the Key Principles

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Algebraic thinking

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An example: Algebraic thinking

Rationale

Phases of the lesson

Context

Models and representations

Misconceptions

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Student activity

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Mastering Maths: the lessons

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CLR process

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Research question

Plan the research lesson

Teach the research lesson

Post-lesson discussion

Summarize

research findings

Research Theme

Research questions

Pedagogic focus: In what ways does the teacher develop and bring the lesson to a close to support a culture where everyone believes everyone can succeed?

Maths focus: In what ways do students use representations to access the structure of mathematical problems?

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Observing the lesson – to answer the research questions

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CLR process

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Research question

Plan the research lesson

Teach the research lesson

Post-lesson discussion

Summarize

research findings

Research Theme

Research questions

Pedagogic focus: In what ways does the teacher develop and bring the lesson to a close to support a culture where everyone believes everyone can succeed?

Maths focus: In what ways do students use representations to access the structure of mathematical problems?

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Lead teachers

Professional development

Running cluster meetings

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CLR (lesson study) process

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Research question

Plan the research lesson

Teach the research lesson

Post-lesson discussion

Summarise

research findings

Research Theme

Lessons

Research theme

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Lead teachers

Introduction to the next lesson

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Conclusion: Lessons for Lesson Study�

For lesson design:

    • Clear, shared design principles
    • Change mechanisms such as agreed lesson structures that embody and support key principles

For Lesson study

    • Support for Lead Teachers essential
    • A version of Lesson Study can work within a randomised control trial

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What did we find?

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Implementation

Teachers in both intervention groups report that the PD intervention programme and using the exemplary Teaching for Mastery materials

  • were effective as an introduction to the principles of Teaching for Mastery
  • led to their improved understanding of Teaching for Mastery
  • led to changes in their teaching practice and high levels of intended change in teaching practice (in subsequent years)
  • led to improved student engagement and understanding.

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Impact

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In line with Education Endowment Foundation reporting, these effect sizes suggest

Business as usual

Partial intervention

Months of teaching

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Full intervention

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Full intervention disadvantaged

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Lesson study

??

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Mastering Maths Effectiveness trial

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Research design

Lesson study

Mastery Key Principles

Mastery Lessons

Lead teachers

Intervention teachers

Control teachers

Professional development

Teaching

Knowledge and practice

Professional development

Teaching

Teaching

Knowledge and practice

Student learning and scores

Student learning and scores

Knowledge and practice

University of Nottingham

Lead Teacher Key Principles

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Where are we now?

13 Lead Teachers recruited

5 days of professional development for Lead Teachers

161 teachers recruited

50% randomly allocated to each group

Lead teachers to run professional development for intervention teachers in October 2024

5 cycles of lesson study between November 2024 and March 2025

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Back at WALS 2025

To tell you what happened!

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