This document appears to be a list of students for a class called 1o. "D" for the 2015-2016 school year at a secondary school in Mexico City. It includes the students' names and their grades in four classes. There are 41 students on the list, with their grades ranging from 7.5 to 10. The list also provides the date, December 5th 2015, and names the advisor as Professor Sergio Tellez Perez.