During the 2015-2016 program year, the Office of Head Start (OHS) used the Classroom Assessment Scoring System (CLASS(R)) Pre-K Teacher-Child Observation Instrument during its on-site reviews of grantees. CLASS(R)-reliable reviewers visited a random sample of preschool classrooms to obtain grantee-level scores. This document provides descriptive statistics of the 2016 grantee-level CLASS(R) data. (author abstract)