The project entitled: Adaptation of the public school building in Siedlina to the needs of people with special educational needs includes the following investment tasks: expansion and reconstruction of the building of the Cardinal Stefan Wyszyński Primary School in Siedlin (eligible costs) together with the change of use of part of the premises to a kindergarten and nursery function together with the necessary technical infrastructure and development (ineligible costs in the project).The project will contribute to the achievement of the specific objective FEM 2021-2027, Priority V European Funds for a higher quality of life in Mazovia, Measure 5.1. Availability of schools for people with special needs. The project aims to improve the accessibility of primary education to the needs of pupils with special educational needs, enabling them to participate in mainstream education. Activities within the scope of the project aim to implement a standard of infrastructure preparation in terms of accessibility for pupils, teachers, parents and members of the local community with special educational needs, as well as determining the availability of individual rooms and their equipment. The sub-objectives of the project are: - as a result of the project there will be an increase in accessibility for people with special needs, - the implementation of the project is a guarantee that the school will be a friendly place for children, parents, teachers and other members of the local community - regardless of their needs, - the project will set standards in the area of architectural accessibility, in the technical, educational and social dimensions, as well as in the organization of the school and procedures. Revalidation, speech therapy, correction and compensation classes, AI require organizing appropriately adapted and equipped rooms, equipped with the necessary equipment and help. The school’s resources are disproportionate to the needs of pupils, especially those with disabilities. The largest group consists of students with recommendations for sensory integration classes, speech correcting classes, classes developing social and communication skills. The school pedagogue's diagnoses show that the number of pupils with problems with concentration, focusing on classes, physical condition decreased, fatigue increased, not only during physical education classes and reluctance to any activity. A higher rate of mental disorders was observed: anxiety, depression, cases of social phobia, self-harm. A significant proportion of students feel a decrease in their sense of security, sadness, various forms of stress. The number of negative emotions is increasing: decreased mood, feeling of resignation, lack of motivation, including total to act - abulia. Individual students reveal difficulties in the lack of emotional control and the accompanying outbreak of aggression or panic attacks. A diagnosis of educational and developmental needs among pupils and parents found that 4% of pupils had problems coping with stress. Therefore, there is a need to organize workshops to improve the skills of coping with stress with elements of music therapy, art therapy and erapia fairy tale. It is considered advisable to conduct individual classes by a psychologist, educators aimed at calming unwanted emotions and calming students, as well as discussing the situation and indicating alternative ways of reacting, including students with diagnosed problems and disorders in therapeutic classes aimed at increasing self-esteem, improving the ability to express emotions, cope with them by reducing perceived tension and attention-direction techniques. The need for silence, excessive noise during breaks, individual cases of auditory and visual hypersensitivity, as observed in a significant number of students, suggests the need for: create a quiet/relax zone during the break, change the form of the school bell.