CommonLit’s Assessment Series data displays also include details about individual students’ performance on each assessment and their growth from the Pre-Assessment to the Post-Assessment.
For each assessment, teachers can see details about how each of their students performed, including their scaled scores and percentile rankings. CommonLit uses percentiles to group students as high, medium, low, and very low performers on teachers’ data reports. These groupings can be used to identify students who may need additional support. It is important to note that these groupings are based on each student’s performance relative to other students and do not indicate how they perform relative to their grade level expectations.
Teachers can also see data about how their students performed on each of the assessed standards. Because CommonLit’s assessments are intentionally short, each standard is only assessed a few times. This prevents the use of IRT methods for scoring standards performance on a consistent scale. Instead, student performance is reported as the percentage of questions associated with each standard answered correctly. The difficulty levels of questions will fluctuate across assessments, leading to changes in how well students perform on the standard not due to their growth in overall reading ability. Therefore, students’ performance on each standard should always be considered alongside other standards data.
CommonLit also provides growth data displays to help teachers understand how their students’ performance changes from the Pre-Assessment to the Post-Assessment as well as how their classes’ performance changed overall.