#dust-free chalk

Prang Board Chalk Review: Smooth, Dust-Free Chalk for Classrooms

Prang Board Chalk delivers smooth, dust-free performance that classrooms have relied on for decades. This 12-count assorted set combines 95% pure calcium carbonate with an AP-certified non-toxic formula, making it a practical choice for teachers and parents alike. We spent two weeks testing these chalks on standard green boards and ceramic surfaces to bring you the full picture.