"The project ""PROFESSIONAL SERVICE OF A DEMANDING CUSTOMER"" was held was implemented in Economic and Gastronomic School Complex in Cieszyn from 01.10.2018 to 30.11.2019.The main aim of the project ""PROFESSIONAL SERVICE OF A DEMANDING CUSTOMER"" was to create opportunity to meet the current EU standards in the field of modern methods in customer service, especially: - effective implementation and improvement of the demanding customer's service; - modernization of customer service methods along with changing standards; - company efficiency enhancement of new clients acquisition and long distance cooperation with regular clients; - interpersonal skills development (mainly negotiations with different types of customer); - development of language, cross-cultural, personal and social competence. According to the project, two-weeks abroad placement in Spanish companies in Malaga was organized and held. The first group started their internship in February 2019, the second group in April 2019 and the third group in September 2019. The foreign partner Tribeka Training Lab S.L.U.held several mobility projects annually, cooperating with different vocational institutions in the EU. The groups had also a chance to get to know other cities and culture in the region of Andalusia, Spain: Granada and Seville, as they took part in the trips organized there. Both partners settled: the scope of responsibilities, the number and profile of the members of the staff involved, initial project's schedule, working plan with tasks, policy of cooperation and contact, monitoring and evaluation of the participants and the project level, validation of acquired skills, certification, the project's and its results promulgation. Obtained skills and experiences allowed our students to become competitive at the labour market. The project was linked with ""Europe 2020"" strategy which assumed achieving the economic growth. 48 students who study in such professions as: IT technician, advertising technician, tourism technician, trade technician, nutrition and gastronomic service technician and waiter technician together with their 6 teachers took part in the mobility project. The project was directed by the project team consisted of 3 people: a coordinator, a coordinator assistant, an accountant, and its quality and implementation, including the internship programme was supervised by the school principal. The project participants were provided with logistic and organizational support along with full scope of educational, cultural and language background. The results and competence as the specific skills that the students gained during the internship were determined in the internship programme. The evaluation of the project such as activities undertaken to a successful project's assessment and terming the level of project's aims attaining were conducted at different stages: before the departure, during the placement and after the implementation of the project - its effectiveness, influence and constancy. The promulgation of the effects of the project and the concept of the Erasmus+ Programme were held at the local and regional level (local portal ""ox.pl"", the school's website and fan page on Facebook, a local newspaper ""Głos Ziemi Cieszyńskiej"").The project corresponded with the demand of this kind of the educating process organization that considered the real-life labour market references. It was also a part of the school strategy which assumed that the students would able to handle professionally with a demanding customer. The participation in the project let the youth strengthen their faith in their own abilities in many fields. First of all, they had an opportunity to gain qualifications and work experience abroad. Furthermore, the pupils learned a lot about the culture of work and had an opportunity to practice in the European companies. In addition, they had a chance to overcome the language barrier, especially the business vocabulary. The pupils also increased flexibility and mobility in the market as well as tolerance and openness to other cultures. Taking part in the project motivated the students to self-learning meaning life-long learning. The abilities, practical knowledge and Europass Mobility document gained during the internship were of great importance as their high level is essential to compete effectively in the world's labour market which is constantly raising its requirements towards workers. The meaning of the project for educating and vocational development of participants directly resulted in possibilities of great competence improving in a wide spectrum of tasks in the field of the customer service."