Meaningful assessment data surrounds us in the modern world. From our cars to our wrists to our always-available online financial statements, there is assessment data that is designed to help us naturally adjust our actions and continuously improve. Assessment data in schools in the form of student grades has not traditionally provided students or teachers with the same type of continuous feedback to make adjustments and improvements to what they are doing in order to increase and deepen student learning.

With the 2016-2017 school year, Maine Township High School District 207 is modernizing the grade scale in use to one that better reflects mathematical realities and that strives to create an environment in which all students can grow and be challenged to achieve more.

In The Case Against the Zero Douglas Reeves outlines that key fallacies of the traditional grade scale as does Thomas Guskey in The Case Against Percentage Grades.