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Universal Design

UDL stands for Universal Design for Learning. Visit the National Center for Universal Design for Learning. Universal is not uniform but encompasses enough variation in instruction to reach diverse learners. UDL  harnesses the power of individual differences in experience, interest, engagement, perception, processing, responses and expression. UDL adjusts support for optimal engagement and learning. UDL means you don't have to "dumb down the curriculum" because UDL meets the students' needs with just-in-time help, text aloud, vocabulary support, ESL support, and multiple representations covering all of the learning pathways. UDL is defined in the US Higher Education Opportunity Act of 2008, Sec. 103 (24). 


AIM stands for Accessible Instructional Materials. 

Since 2006, the American Association of Publishers has created XML digital source files of their textbooks. These NIMAS (National Instructional Materials Accessibility Standards) versions of text books address the national need to increase the availability and timely delivery of print instructional materials in accessible formats to students with visual, print and learning disabilities. 


CAST (cast.org) exists to transform education through Universal Design for Learning. UDL is a framework for designing curricula that enable all individuals to gain knowledge, skills, and enthusiasm for learning. UDL provides rich supports for learning and reduces barriers to the curriculum while maintaining high achievement standards for all. 

FREE CAST TOOLS for teachers, students and parents

Science Writer

A web-based writing tool that supports all students in the science report-writing process. Learn More
Go to CAST UDL Science Writer

UDL Book Builder
Free
CAST

UDL Book Builder ™

Enables educators to develop their own digital books to support reading instruction literacy learning. Learn More

Grades: All Grades
UDL Curriculum Self-Check
Free
CAST

UDL Curriculum Self-Check ™

Helps educators build options and flexibility into each element of the curriculum in order to reach and engage all students. Learn More

Grades: All Grades
UDL Editions
Free
CAST

UDL Editions ™

Publicized by Google around the world, UDL Editions is a model for presenting classic texts from world literature in a flexible online interface with just-in-time, individualized supports for struggling and expert readers alike. Learn More

Grades: 5 and up
UDL Guidelines
Free
CAST

UDL Guidelines

A set of principles for designing curriculum that provides all individuals with equal opportunities to learn. Created at CAST and housed by the National Center on Universal Design for Learning. Learn More about the National Center on UDL

Grades: Educators
UDL Lesson Builder
Free
CAST

UDL Lesson Builder ™

Helps educators to design lessons/units of study to meet the diverse learning challenges, skills, and background of students in today's classrooms. Learn More

Grades: All Grades
UDL Online Modules
Free
CAST

UDL Online Modules ™

Two online modules that introduce the theory, principles, and application of Universal Design for Learning (UDL) to teacher candidates and in-service teachers. Learn More

Grades: Educators
Strategy Tutor
Free
CAST

Strategy Tutor ™

Publicized by Google around the world, Strategy Tutor supports students and teachers doing reading and research on the Internet. Learn More

Grades: 5 and up
Teaching Every Student
Free
CAST

Teaching Every Student

Explains and exemplifies Universal Design for Learning and its classroom applications. Also provides activities, model lessons, and toolkits to support educators. Learn More

Grades: All Grades
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