Specialized Learning
tools

Reading Level Adjuster

Take any text and adapt grade level to fit a student's reading level / skills.

Tool Overview

Instantly Modify Text to Match Any Student’s Reading Level

Adapting reading materials for diverse learners has never been easier. CK-12’s AI-powered Reading Level Adjuster helps teachers, educators, and special education professionals refine text complexity—ensuring every student gets material tailored to their comprehension level.

Flexi’s reading level adjuster example simplifying a passage using teacher literacy assistant.
AI text simplifier using reading level adjuster and free reading tool for teacher literacy assistant.

Why Educators Love This Tool

  • Instant Grade-Level Adaptation – Adjust any text to match a student’s reading ability in seconds.
  • Supports Differentiated Instruction – Tailor reading materials for special education, ELL students, and gifted learners.
  • Maintains Meaning, Enhances Clarity – Adjust vocabulary and structure without losing the original intent.
  • Promotes Inclusive Learning – Create accessible materials that ensure all students can engage with the curriculum.
  • Time-Saving for Teachers – Skip manual rewriting—our AI handles text leveling with one-click adjustments.

How It Works

  1. Select a Grade and Reading Level – Choose from K-12 and complexity-based adjustments.
  2. Paste Your Text – Enter any passage, article, or assignment.
  3. Choose the Adjusted Complexity – Simplify or enhance readability while keeping the core meaning intact.
  4. Generate & Review – Get a fully adapted version in seconds!

Best Uses for Teachers & Educators

  • Differentiated Instruction: Adjust reading materials for students at different levels in the same classroom.
  • Special Education & ELL Support: Simplify text for English language learners and students with reading difficulties.
  •  Personalized Learning Paths: Create customized reading experiences that align with each student's ability.
  • Curriculum Adaptation: Modify textbooks, worksheets, and assignments to meet IEP goals and learning standards.

Engaging Classroom Discussions: Ensure all students can access and engage with complex topics at an appropriate level.

Try the

Reading Level Adjuster

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