OER Knowledge CloudJournal Article20112011/03Burgos-Aguilar, Vladimir J.Mortera-Gutierrez, Fernando J.Ehlers, Ulf-DanielKoskinenteachers’ experiencesOER in schoolshigher educationcommunities of practiceSpaineLearning Papers 23elearningeuropa.info23March 20111887-1542This article presents the educational experiences of an inter-institutional project that consisted in forming a Community of Practice (CoP) among Mexican educational institutions, in 2009. The main goal of this project was to enrich a catalogue of OER for basic and elementary education (K-12) for Spanish speaking countries in Latin America, and the rest of the world, within the field of innovative education and technology, through the work and community of practice of K-12 teachers and university faculty participants. Six Mexican higher education institutions participated in this project, and this article will talk about their faculty experiences with a community of practice that used innovative applications and new technologies. Also, this article describes how OER were used in the K-12 educational level through the portal website of TEMOA, the academic search engine developed by Tecnológico de Monterrey to help teachers with the design and instruction of their courses.yeshttp://www.openeducationeuropa.eu/en/article/Formation-of-Communities-of-Practice-to-Promote-Openness-in-Educationhttp://www.openeducationeuropa.eu/en/article/Formation-of-Communities-of-Practice-to-Promote-Openness-in-Educationmedia25244.pdfBarcelona, Spain