Chalk or Dry Erase in 2026: Matching Classroom Writing Surfaces to Teaching Style and Indoor Air Goals
Chalkboards never fully disappeared, and in some classrooms they are making a deliberate comeback. Many mathematics and physics instructors still prefer chalk for its line quality and visibility in large rooms, while most K-12 classrooms have shifted to dry-erase surfaces. The best choice depends on how a space is used, how it is cleaned, and […]