Preliminary results from the Assessing the Implementation and Cost of High Quality Early Care and Education, or ICHQ (pronounced I-check), project led by Mathematica and funded by the Office of Planning, Research, and Evaluation in the Administration for Children and Families, help address this knowledge gap by shedding light on different ways that teaching and administrative staff in ECE centers use their time. This brief is part of a series of research briefs summarizing findings from the ICHQ multi-case study that collected data from 30 ECE centers between October 2017 and June 2018. (author abstract)