Fortuny secondary school is located in the centre of Madrid and has 50 teachers, 20 of whom are accredited to teach in English, and about 640 students. It runs a successful bilingual programme in English (at both compulsory secondary school and baccalaureate level), which is why it aims to improve its teachers’ linguistic competence in English as well as train its bilingual teachers in the latest CLIL methodology techniques so that they can create and share a teaching materials bank over 24 months. In addition, we are aware of the need to continue learning, improving and implementing the latest technological advances in order to enhance the learning experience of our students through CLIL techniques. In this way, we will increase the sense of a European dimension in the educational community and boost the use of English as a vernacular language at our school. During the preparation stage of the planned activity, a selection committee will make use of objective criteria to decide which candidates (accredited and non-accredited) will take part in the mobility activities if there are more candidates than vacancies. We will contact the learning centres in the UK, enrol candidates in their courses, arrange accommodation for them, as well as purchase their flight tickets and take out travel insurance. Non-accredited teachers will take a level test at our school to assess their level of English and do a one-month intensive course prior to their departure. All throughout this phase, participants will hold regular meetings to follow up on the accomplishment of the necessary preparatory tasks assigned to each teacher. A summary of these activities will be posted on the school notice board. In accordance to educational authorities’ instructions, training in the UK (English and CLIL courses) will take place during the summer months (July/August 2016) by means of 10 mobility activities. While teachers are attending their courses, the learning centres will provide course descriptions, keep attendance records and issue a Europass Mobility document for each of the participants. In addition, teachers will use e-Twinning tools to share their experiences and material with other European schools. The school will gather all the documentation and certificates once the participants return from their training activities and hold a meeting with them so as to assess their level of achievement and to plan the dissemination activities of the project results. We plan to share the results of the project by means of assessment reports to share will school members, meetings with local primary schools and Chamberí district authorities, and the use of all available internet means to spread the results: school website and social networking sites, school virtual classroom and teachers’ personal blogs. Project evaluation will be carried out using self-assessment questionnaires to be fulfilled by all participants, analysing certificates of achievement issued by the UK learning centres, and giving level tests to non-accredited participants to assess their language progress after the training activities. It is our aim to boost our teachers’ professional skills so as to better the overall quality of our bilingual teaching practices. Our envisaged results include: an improvement of our teachers’ English competences, an increase of their knowledge of CLIL teaching methodologies, the preparation of a CLIL materials bank and an increase in the use of English as a vernacular language at our school. Our long-term intention is to institutionalize foreign training at our school, so as to obtain better results, strengthen the sustainability of the project and become a model of bilingual education excellence both in Spain and in Europe.