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Assimilation vs. Accommodation In The Classroom

Explore the interplay between assimilation and accommodation, foundational principles in education theorised by Jean Piaget.

10 mins

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In educational psychology, few concepts have gained as much attention and discussion as assimilation vs. accommodation. But what do these terms entail? And how do they apply to modern education?

Originating from the groundbreaking work of Jean Piaget, these related principles serve as a foundation for understanding how individuals process and adapt to new information. At their core, assimilation and accommodation are mechanisms for integrating new experiences into our framework of understanding. Assimilation involves folding new information into pre-existing schemas, like fitting a new jigsaw piece into a partially completed puzzle. Accommodation requires us to adjust our schemas when new information doesn’t fit, similar to reshaping a puzzle piece or starting a new puzzle altogether. This dance between assimilation and accommodation is continuous, enabling learners to grow, adapt, and reshape their understanding of the world.


Historical Perspective and Theoretical Foundations

Piaget’s primary research focused on children’s cognitive development. He proved that children actively construct knowledge by interacting with their environment, a perspective that demolished prior beliefs about passive learning.

Throughout the 4 stages of cognitive development that Piaget discovered – (1) sensorimotor, (2) preoperational, (3) concrete operational, and (4) formal operational – accommodation and assimilation play an important role.

  1. Sensorimotor Stage (0-2 years): Children primarily learn through physical actions and senses during this phase. Assimilation is predominant as they begin to form basic schemas about the world around them.
  2. Preoperational Stage (2-7 years): As symbolic thinking and language develop, children begin to encounter situations where their existing schemas are challenged, paving the way for accommodation.
  3. Concrete Operational Stage (7-11 years): Children start thinking logically but remain concrete (or literal) in their overall perspectives. Here, assimilation and accommodation work hand in hand, refining and adjusting schemas based on tangible experiences.
  4. Formal Operational Stage (12 years and above): With the onset of abstract thought, children can now hypothesise and think about wider possibilities.

Assimilation vs. accommodation - algebra on blackboard

Understanding Assimilation

Assimilation lies at the heart of cognitive development. It’s a mechanism through which we take new information and fit it seamlessly into our pre-existing cognitive structures or schemas. Simply put, it’s interpreting the world around us based on what we already know.

Assimilation is incorporating new experiences into an existing framework without causing a change.

Characteristics of assimilation include:

  • Fitting new experiences into pre-existing schemas.
  • Not altering the core structure of the schema.
  • It often happens when the new information or experience is relatable or similar to what we already know.

Real-World Examples in Classroom Settings:

  1. Alphabet knowledge: If a child already recognises the letter “A” and encounters a font variation of “A,” they might still recognise it as the same letter due to assimilation.
  2. Mathematical challenges: Students who understand essential addition and subtraction can use that schema to approach more complex problems, such as adding higher numbers or even simple algebra, by assimilating the new problems into their existing understanding.
  3. Historical context: If students have studied ancient civilisations like the Egyptians, they might assimilate new knowledge about the Romans or Greeks by relating to previously understood concepts of ancient civilisations.

Benefits and Challenges of Assimilation-Focused Approaches:


  • Consistency in Learning: Assimilation provides a consistent framework, making learning smoother as students relate new information to what they already know.
  • Boosts Confidence: Recognising familiar patterns boosts students’ confidence in their learning journey.
  • Promotes Engagement: Relating new topics to familiar ones can make lessons more engaging for students.


  • Limited Perspective: Over-reliance on assimilation might restrict students to a singular perspective, hindering their understanding of new or diverse concepts.
  • Over-simplification: There’s a risk of oversimplifying complex topics if they’re always made to fit into existing schemas.


Understanding Accommodation

Accommodation revolves around altering our existing cognitive structures (or schemas) when they no longer serve to understand new information or experiences. In simple terms, it’s the brain’s adaptive process to ensure the ever-evolving nature of learning.

Accommodation is the adjustment of one’s schemas in response to new information that cannot be assimilated into existing schemas. Key characteristics include:

  • Modifying existing frameworks or creating entirely new ones.
  • Being triggered when new information contradicts or doesn’t fit into existing schemas.
  • Facilitating the evolution of thought and understanding.

Real-World Examples in Classroom Settings:

  1. Scientific Theories: If students were taught the Bohr model of the atom and later encountered the quantum mechanical model, they would need to accommodate the new information, refining their understanding of atomic structure.
  2. Complex Math Problems: A student familiar with basic arithmetic might face challenges with algebraic equations and must adjust their schemas to accommodate these new mathematical concepts.
  3. Cultural Studies: Students might accommodate their understanding of New Year celebrations globally upon learning that not all cultures celebrate New Year on January 1st.

Benefits and Challenges of Accommodation-Centric Teaching:


  • Adaptive Learning: Accommodation creates flexibility in thinking, allowing students to adapt and change their understanding when faced with new information.
  • Critical Thinking: Encouraging accommodation can promote critical thinking as students assess and revise their beliefs and understandings.
  • Preparation for Real-world Challenges: Life is full of surprises and changes. Teaching students to accommodate new information prepares them for real-world complexities.


  • Potential Overwhelm: Continuously presenting conflicting information to induce accommodation can be overwhelming and confusing for some students.
  • Resistance to Change: Some students might resist changing their long-held beliefs, making accommodation-centric approaches challenging.


Balancing Assimilation vs. Accommodation

While assimilation fits new experiences into pre-existing schemas, accommodation modifies them when they no longer fit the narrative. The real benefits lie in ensuring teachers use both in a balanced way so students are resilient and adaptive to the information they are taught. On one side, assimilation should provide familiarity, allowing new information to be categorised and understood based on what’s already known. On the other hand, accommodation challenges and restructures existing beliefs so students don’t just accept what they already know.

Strategies for Educators to Strike a Balance:

  1. Progressive Complexity: Start with materials that students can quickly assimilate, and as their confidence grows, introduce challenges that require accommodation.
  2. Feedback Loops: Regular assessments can indicate if students lean too heavily on assimilation or struggle to accommodate new concepts. Tailor instruction accordingly.
  3. Diverse Teaching Methods: Incorporate a mix of familiar (e.g., lectures) and novel teaching strategies (e.g., experiential learning), encouraging assimilation and accommodation.
  4. Encourage Critical Thinking: Facilitate discussions that challenge students’ current understanding, prompting them to reconsider and potentially adjust their schemas.

Examples of Successful Integration in the Classroom:

  • A teacher introduces the concept of fractions using pizzas, a familiar item (assimilation). As students grasp the basics, the teacher introduces more complex problems, requiring students to modify their initial understanding of fractions to solve them (accommodation).
  • In a multicultural classroom, a teacher discusses festivals. Students relate known festivals to their peers (assimilation). As they learn about new celebrations from different cultures, they adjust and expand their understanding (accommodation).


Practical Implications for Modern Classrooms

Recognising when students are assimilating or accommodating can empower educators to tailor their approaches. For instance, teachers can reinforce learning during assimilation by linking new information to existing knowledge. Conversely, when students are accommodating, introducing challenges can stretch their cognition and promote a more profound understanding.

Tools and Resources for Educators:

  1. Digital Platforms: Tools like Kahoot and Quizlet can introduce new concepts (assimilation) or challenge students with advanced questions (accommodation).
  2. Visual Aids: Mind maps and flowcharts can visually represent the connection between existing knowledge and new information, fostering assimilation.
  3. Interactive Workshops: Encourage active learning. Role-playing, simulations, or debates can challenge pre-existing beliefs, promoting accommodation.

Tips for Continuous Assessment and Adjustment:

  1. Feedback Mechanisms: Regular quizzes or discussions can help identify if students are assimilating new information or if they’re facing challenges, necessitating a shift in teaching strategies.
  2. Peer Reviews: Encourage students to explain concepts to their peers. This can highlight areas where they’re using assimilation and where they’re accommodating.
  3. Reflection Journals: Have students maintain journals to document their learning journey. Their entries can provide insights into their cognitive processes.
  4. Stay Updated: Continuously upskill and attend professional development workshops focusing on the latest research. This ensures that teaching strategies remain current and effective.


In Summary

Both accommodation and assimilation approaches are deeply rooted in cognitive development theories and are invaluable tools for educators, allowing them to fine-tune their teaching methods. These linked processes underline the significance of a flexible and dynamic approach to learning where assimilation integrates new information into existing schemas, and accommodation paves the way for the growth of these schemas. It’s essential, therefore, that educators understand that students are not passive learners. Instead, they crave to assimilate and accommodate new and exciting information, making their learning experience truly their own.


Recommended Reading & Resources:

  1. The Process of Education by Jerome Bruner – An exploration into the nature and requirements of practical education.
  2. The Adapted Mind by Jerome H. Barkow, Leda Cosmides, & John Tooby – How cognitive processes have evolved and adapted.
  3. Education and Mind in the Knowledge Age by Carl Bereiter – How education needs to evolve to fit the demands of the modern age.
  4. Experience and Education by John Dewey – The importance of experiential learning in the educational framework.
  5. The School and Society by John Dewey – The role of schools in society and the reciprocal influence they share.
  6. Constructivist Instruction by Reigeluth & Carr-Chellman – Implementing constructivist approaches in the classroom.
  7. Cognitive Development and Learning in Instructional Contexts by James P. Byrnes – How cognitive development theories can be applied in educational settings.
  8. The Developing Mind by Daniel J. Siegel – How relationships and the brain interact to shape our minds.
  9. Developmental Psychology and You by Christina R. Stanley & John C. Cavanaugh – An overview of developmental psychology and its educational implications.
  10. Learning Theories: An Educational Perspective by Dale H. Schunk – Significant learning theories and their educational applications.

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