Physiotherapy is a clinical discipline that provides services in healthcare centres, the community, the home, and the school. School Physiotherapy (SP) focuses its practice on children with disabilities or special motor needs during the school period. SP addresses issues of psychomotricity, ergonomics, and posturology in order to improve health and academic performance. The objective of this study is to identify qualitative evidence on the experience/opinions of physiotherapists, children, parents, and teachers regarding SP services. Methods: Metasynthesis of qualitative studies. The search included articles published between 2015 and 2025 on the PubMed, WOS, SCOPUS and CINAHL databases. Results: 698 articles were found through the initial search, of which only 17 were included in the thematic synthesis. Three main themes emerged from this analysis: (1) Clinical and school physiotherapy: separated by a fine line. (2) Ensuring healthcare for children with specific conditions in schools. (3) The challenge of incorporating SP in educational settings. Conclusions: SP plays a vital role in supporting children with disabilities and special needs in schools, but there is a lack of evidence supporting its implementation and its impact on academic performance. The absence of clear guidelines and competencies expose SP to professional intrusion and hinders its integration into educational teams. Understanding the experiences of those involved may help improve SP practice.