"PISA 2012 report revealed the need for innovative, interactive and engaging teaching approach for 21st-century schools in order to reach higher achievement of students. This approach can be transmitted and practically realized in classrooms only by the properly trained teacher and educator.The project aims to develop teachers’ and educators’ competences - especially integrated STEM (science, technology, engineering, mathematics) teaching skills, based on collaborative problem-solving (CPS) - sharing experiences among countries involved in the project (the project was compatible with PISA 2015 aims to evaluate students’ performance in mathematics, science and financial literacy; performance in problem-solving and reading).Objectives of the project:– To develop teachers’ and educators’ integrated teaching skills, based on collaborative problem-solving;– To explore new forms of teaching, learning and assessment of students achievements;– To guide teachers and educators, how to motivate children and inspire their passion for discovery and learning;– To share experience of good practice on increasing students' interest in STEM and technical creativity; developing students’ skills of logical and critical thinking, CPS, as well as learning to learn, creativity, initiative and entrepreneurial competencies; preparing students for a successful professional career, encouraging their active contribution to the progress of society.8 countries and 10 partners were involved in the project: UPC (Lithuania)–institution affiliated to the Ministry of Education and Science of the Republic of Lithuania providing educational support in the field of pre-school, primary and general education.Alytaus Putinai gymnasium (Lithuania), lyceum 1erGeniko Lykeio de Thessaloniki (Greece) and Liceum “M. Immacolata” (Italy) are schools, seeking quality of teaching and learning. OÜ Miksike (Estonia)–provides teacher training courses, manages and develops Miksike Learning Environment. CREF (Portugal)- important establishments of the region of Setúbal, oriented to the development of teacher education and training In-service training courses.The Galician Regional Ministry of Education (Spain) is responsible for educational standards and the training and development of the schools and works on the implementation of regional initiatives to meet school improvement priorities and to share in and support innovation in teaching, learning and school leadership. The Business and Finance College (Bulgaria)is a training institution experienced in training people for insertion into the world of work, in developing new methodologies in entrepreneurship education. CEI (Latvia)- provides training and implements projects in all regions of Latvia, develops and implements projects which promote quality education and accessibility of education to all children. Epimorfotiki (Greece) developed a wide network of associates, which includes a quality consultant, adults’ trainers, counsels of continuous local development, ICT, etc., This partnership is a good potential for dissemination of enriching experiences in the fields approached by the project and a genuine mutual interest in developing innovative approaches to sustainable education, the importance of teachers and educators competences, entrepreneurship and motivating measures in school.The target group of the project - teachers and educators, who are not afraid of challenges and are seeking quality of teaching and learning and higher learning achievements of students, are open-minded, communicative and collaborative, and are ready to provide meaningful learning experiences for 21st-century students.The main activities were undertaken:- 3 short-term joint staff training events- 4 international project meetings- 3 intellectual outputs were created: 1. PDP of 4 modules for teachers and educators2. Collections of good practices3. Collections of DLO This increased the variety of available learning resources.- The project activities (training courses, evaluation seminar, national multiplier events, dissemination events) involved more than 60 direct and more than 3000 indirect participants.- 8 national Multiplier event organised (285 participants)- 1 dissemination international conference organised and involved 46 participants (26 local and 20 international).Total Duration of the Project – 24 Months.The following outcomes are reached:- Raised competences and capacities of teachers, educators had a direct impact on students’ learning motivation, higher learning achievements.-The transnational network of teachers, educators, schools seeking higher learning achievements of students through applying CPS principles created.-The PDP were accredited at the national levels and offered to ERASMUS+ Key Action 1 by UPC (Lithuania), CREF (Portugal), Epimorfotiki (Greece). - New Erasmus+KA2 project ""STEAM capacity building"" (No 2016-1-LT01-KA201-023146) created."