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Catherine C. Collier

Collier, Catherine

Catherine Collier has over forty-five years experience in equity, cross-cultural, bilingual, and special education. She is a nationally recognized expert on diverse learners with learning and behavior needs.

Areas of expertise
  • Special Education
  • EL
  • Teaching Strategies for Diverse Learners
  • RTI
  • Multi-tiered Instruction


  • Building a Better Pyramid: Seven Steps for Separating Difference & Disability: This session addresses instruction, intervention, assessment, and service placement concerns regarding ESL students who exhibit learning and behavior problems while they are learning English as an additional or standard language. Attendees will develop ways to distinguish students with learning and behavior problems due to difference from those due to specific learning disability or language disorder within the RTI process