Link to resource: Evidence of “Summer Learning Loss” on the i-Ready Diagnostic Assessment
Authors: Derek C. Briggs and Sarah Wellberg
This report provide a descriptive look at patterns of “summer learning loss” (SLL) in reading and mathematics for elementary and middle school students who use the i-Ready Diagnostic assessment system produced by Curriculum Associates. SLL in math amounts toabout 30 to 40% of school year growth depending on the grade in question. The score decreases are smaller in reading, ranging from about 10 to 20% of school year growth.