The ability of a student to read, based on a scale relating to the peer group of the same level of ability. A child who reads well may have ability far above her grade level.

READING AGE (RDA): "Although she was in 7th grade, Zada had a reading age at least 19."
Cite this page: N., Pam M.S., "READING AGE (RDA)," in, April 28, 2013, (accessed October 26, 2020).