Introduction: The purpose of our study was to determine the prevalence of rheumatic valve diseases in the primary schools Provincial Directorate of Education National (DPENA) of Kadiogo. Patients and methods: This was a prevalence study Over a period of 8 months carrying on primary school students from all constituencies Basic Education (CEB) of the Kadiogo Provincial Directorate of National Education. We conducted clinical and paraclinical screening with a representative sample of this population. Results: Our sample was 1519 students from 50 schools spread over 26 CEBs. The sex ratio Was 0.94. Were included in the study the students of the tranche of age of 5 to 16 years old. The social level low economic was predominant and was found in 72.46% of cases. Associated comorbidities were dental caries (17.05%), angina/tonsillar hypertrophy (2.57%). The ultrasound prevalence of valvulopathies Probable according to the classification of the World Federation of the Heart was 7.24‰ with no significant difference between the sexes. Conclusion: Rheumatic valve diseases are still endemic in school-age children in developing countries. The need for early detection and management of these conditions is necessary to improve the health of future adult populations in Burkina Faso.