When it comes to the GloSS test results, I need to look at these objectively as well as subjectively. At first look, it looks like these children have made incredible progress, almost too well! For example, one child looks like they have gone from a year 3 level to a year 8 level. It is important to remember that these graphs are only looking at the results from the multiplicative element of GloSS. It is important to consider all three elements of GloSS results (addition/subtraction, multiplication/division AND fractions/proportions/ratios). In addition, the students were assessed by two different teachers (myself in term 2 and Clarelle in term 3). Clarelle is their classroom teacher so students may have felt more confident explaining their thinking to her!
Considering all these things, these graphs do show that the students have made great progress, all the same!