CAST is a nonprofit research and development organization that works to expand learning opportunities for all individuals through Universal Design for Learning (UDL). This website provides information on UDL, current research into best practice and free learning tools for parents and educators.
Stay connected with evidence- and practice-informed
resources and classroom-ready strategies.
Subscribe to the LD@school Newsletter:
Powered by LDAO
LD@school is a signature initiative of the Learning Disabilities Association of Ontario (LDAO), a registered charity and provincial leader in evidence-informed, inclusive, and accessible education.
For over 60 years, LDAO has supported children, youth, and adults with learning disabilities (LDs) and related conditions such as ADHD.
Explore LDAO’s signature platforms:
TA@l’école – French-language resources and professional learning for educators that integrate evidence-informed instruction with equity, identity, and belonging.
LD@home – Family-focused tools and guidance that strengthen partnerships between home and school.
LD@work – Resources supporting transition, self-advocacy, career development, and workplace inclusion.
LD@learning – Online courses and professional learning for individuals supporting learners with LDs and ADHD.
© 2026 Learning Disabilities Association of Ontario (LDAO).
This resource may be used and shared within educational settings for non-commercial purposes. It may not be modified or used for commercial gain. See LDAO.ca for full Terms of Use.