The main objective of the project is to improve the energy efficiency of the school buildings of the Sokól District through their comprehensive thermomodernisation. As part of the investment, the following actions are planned: 1.Termomodernisation of the building of the Special Educational and Educational Centre in Sokółka, including: — insulation of external walls, – warming of stropodachów, – replacement of window and door carpentry, – modernisation of central heating system, – installation of photovoltaic installation; 2. Thermal modernisation of the School Complex building in Dąbrowa Białystok: — insulation of external walls, – warming of stropodachów, – replacement of window and door carpentry, – installation of photovoltaic installation; 3. Thermal modernisation of the school building and workshops of the School Complex in Sokółka, including: — insulation of external walls, roofs and stropodache, – replacement of window and door carpentry, – modernisation of central heating and central heating systems, – installation of photovoltaic installation. The project will result in a reduction of energy demand by approx. 70 %, reduction of annual costs of plant maintenance, reduction of pollutant emissions into the environment, increase in the level of use of RES and improvement of thermal comfort in premises. The target group consists primarily of over 800 pupils and teachers in the above-mentioned institutions.