ASEAN Guidelines on Eco-schools was developed at the Workshop on ASEAN Eco-schools Programme held on 26-28 June 2011 in Kota Kinabalu, Malaysia, and endorsed by the ASEAN Environment Ministers at the 13th Informal ASEAN Ministerial Meeting on Environment (IAMME) on 18 October 2011 in Phnom Penh, Cambodia. The Guidelines serves as a reference and as a regional standard for environmentally friendly model schools in the region. The Guidelines is used as a reference in the nomination of eco-schools in AMS for the ASEAN Eco-schools Award 2012, which aims to recognise exemplary efforts of eco-schools in AMS in inculcating environmental awareness in every aspect of education to their students and surrounding communities. The ASEAN Eco-schools Award 2012 Presentation Ceremony will be held on 17 June 2012 in Kuala Lumpur, Malaysia, in conjunction with the ASEAN Environment Year 2012 Celebration. The ASEAN Guidelines on Eco-schools and ASEAN Eco-schools Award programme contribute to the implementation of ASEAN Socio-Cultural Community Blueprint 2009-2015 (Section D3 (vi)) and the ASEAN Environmental Education Action Plan (AEEAP) 2008-2012 (Target Area 2 Non-Formal Sector, Strategic Action/Priority 1), i.e. promote sustainable schools concept and practice throughout ASEAN.