CCSS may refer to:
Education and academia
Grade school Common Core State Standards Initiative, a set of educational standards Council of Chief State School Officers, a non-partisan non-profit organization Central Community School System, in Louisiana, United States Castries Comprehensive Secondary School, in Vide Bouteille, Castries, Saint Lucia Catholic Central Separate School — see Catholic Central High School (London, Ontario) Cumberland Community Schools Society — see School District 71 Comox Valley
Junior college Cambridge Centre for Sixth-form Studies, an independent six-form college Community College Survey of Student Engagement, a survey of people in a community college College of Computer Studies and Systems at Abra Valley Colleges
Other uses in education and academia Command and Control Systems School, now Communications School (United States Marine Corps) Center for Catalysis and Surface Science — see Court, Council and Senate Secretariat of Hong Kong University of Science and Technology — see Thomas Hughes (priest, born 1818) and Dresden, Ontario CCSS, the code for a Bachelor in Contemporary China Studies at the Centre for China Studies
Government and politics Cass Community Social Services, an American nonprofit focused on political activism Costa Rican Social Security Fund (), the governmental entity in charge of most of the public health sector of Costa Rica , the social security system for social welfare in Luxembourg Coordinating Council of Southern States, of which South Sudanese politician Clement Wani Konga became a minister Centre for Civil Society Strengthening — see Women in Malawi and Malawi Parliamentary Women's Caucus Clark County Social Service, a user of Cúram Software
Computing and telecommunications Comcast/Charter Sports Southeast, an American television network Common Computing Security Standards Forum (CCSS Forum) Customer Complaint Settlement Scheme, a voluntary mediation scheme implemented by Hong Kong's Office of the Communications Authority — see Consumer Council Common Configuration Scoring System — see Security Content Automation Protocol Common Channel Signaling System — see Bell System Practices and Signalling System No. 7 CCSS, a company acquired by cybersecurity company HelpSystems (now Fortra) Constraint Cascading Style Sheets, a CSS extension implemented using Cassowary (software) Communication Center Shift Supervisor, a staff member at the Command and Control Systems School, now Communications School (United States Marine Corps) College of Computer Studies and Systems at Abra Valley Colleges
Other uses Chinese Cinema Study Society, the producer of Yan Ruisheng and Zhang Xinsheng (film) , a scribal abbreviation for CC.SS., an abbreviation for — see Ana Marta González and José Rodríguez Elizondo
See also Centro Cultural e de Solidariedade Social de Guifões (CCSS Guifões), a youth team that Ricardo Fernandes (futsal player) was on CCSS Lingolsheim, the club of French high jumper Brigitte Rougeron CCS (disambiguation)