This document analyzes the headcount and achievement levels of students in Mathematics class D6 1 at SK Kompleks Uda for the year 2013. It provides a table that lists 36 students, their scores on 6 assessments (OTR1, AR1, OTR2, AR2, OTR3, AR3) throughout the year, their average test results (ETR), and their grade levels (A, B, C) for each assessment. Overall, the document analyzes the class' performance levels and progression in Mathematics over multiple tests throughout the 2013 school year.