These technical appendixes accompany the study, "Who Is Losing Ground with Distance Learning in California?" The study explores key issues California families experienced around distance learning in spring 2020. Using data from the Census Household Pulse Survey, a weekly survey conducted in 2020, the authors document how the COVID-19 pandemic altered Californian households. The findings show that distance learning has widened gaps for children of color, children in low-income families, and children of less-educated parents. The report also offers several recommendations as state and local policymakers consider strategies to improve distance learning and mitigate learning loss. The appendices include: (1) Census PULSE Household Survey; and (2) Additional Tables and Figures. [For the full report, see ED611459.]