That is the score achieved by the exact middle student in the year 12 class when their scores are ranked from lowest to highest. (teachermagazine.com.au)
For each group of four, I'd place one high student, one low student, and two middle students together. (edutopia.org)
And a report from the Southern Regional Education Board, which supports increasing the number of middle students taking Algebra I, found that among students in the lowest quartile on achievement tests, those enrolled in higher - level mathematics had a slightly higher failure rate than those enrolled in lower - level mathematics (Cooney & Bottoms, 2009, p. 2).» (christienken.com)