Understanding Universal Design for Learning
Universal Design for Learning (UDL) is a framework for designing teaching and learning experiences that work for the greatest possible range of learners from the outset. Rather than adapting learning after barriers arise, UDL encourages teachers to anticipate learner variability and build flexibility into curriculum, teaching approaches, resources, and assessment.

Designing for learner variability from the outset
At its heart, UDL is based on a simple belief: learner variability is the norm, not the exception. Every classroom contains learners with different strengths, interests, backgrounds, abilities, languages, and experiences. UDL helps schools create environments where all learners can access, participate in, and succeed in meaningful learning.
Three evidence-informed principles developed by CAST
Engagement
The Why of LearningLearners differ in what motivates them and how they engage with learning. UDL encourages teachers to provide options that increase interest, relevance, choice, belonging, and self-reflection.
Representation
The What of LearningLearners differ in how they access and understand information. UDL promotes presenting content in multiple ways so that all learners can access and make meaning from learning.
Action & Expression
The How of LearningLearners differ in how they demonstrate what they know. UDL encourages flexible ways for students to communicate, create, solve problems, and show their understanding.
These three principles work together to reduce barriers and increase learner agency, independence, and success.
What UDL can look like in teaching and learning
Multiple Means of Engagement
Provide different ways for learners to connect with learning.
Examples:- Choice boards and learning menus
- Collaborative learning opportunities
- Student goal setting
- Real-world and culturally relevant learning tasks
- Opportunities for student voice and decision making
Multiple Means of Representation
Provide information in different formats and through different pathways.
Examples:- Text, audio, video, visuals, and demonstrations
- Graphic organisers and visual supports
- Captions and transcripts
- Explicit vocabulary instruction
- Accessible digital resources
Multiple Means of Action & Expression
Provide flexible ways for learners to show their learning.
Examples:- Written, oral, digital, visual, or practical responses
- Presentations, videos, podcasts, or projects
- Assistive technology supports
- Flexible assessment options
- Scaffolded planning and reflection tools
Supporting inclusive and sustainable practice
UDL aligns strongly with Irish educational policy and reform priorities. Schools involved in UDL implementation consistently report that it helps them make existing good practice more intentional, inclusive, and sustainable.
The NCSE has identified UDL as a key framework within Ireland's journey towards a more inclusive education system, while curriculum developments increasingly reflect UDL principles of flexibility, accessibility, and learner agency.
Introductions and video explainers
UDL Guidelines 3.0: Essential Updates
Webinar recording: overarching changes and practical applications.
Watch on YouTube ↗Visual resources for professional learning and planning
The CAST UDL Guidelines website contains a range of high-quality visual resources that can be used for staff meetings, professional learning, classroom planning, and whole-school development.
Schools may also wish to develop local one-page summaries showing:
- What UDL looks like in classrooms
- UDL and Irish policy connections
- UDL planning prompts for teachers
- Student voice and learner agency examples
More recommended resource types
UDL Principles Overview, Guideline Checkpoints Posters, Planning Templates, and Learner Variability Resources.
Explore the CAST UDL Guidelines resource website ↗