The Liechtenstein Institute on Self-Determination at Princeton University (LISD) and the non-governmental organization Watchlist on Children and Armed Conflict convened a workshop, “Priorities for the UN’s Children and Armed Conflict Agenda,” on December 12-13, 2016, at Princeton University. The workshop brought together representatives of United Nations Member States, including members of the Security Council, the UN Office of the Special Representative for Children and Armed Conflict (OSRSG-CAAC), Department of Peacekeeping Operations (DPKO), UNICEF, academics, and NGOs to discuss priorities for the UN’s Children and Armed Conflict (CAAC) agenda in 2017 and 2018. This report is a summary of the discussions at this workshop and resulting recommendations.