Introduction:Prevalence of asthma in children in Indonesia varies from 2.1% to 32.2% depends on location of the study and method of study (questionnaire vs bronchoprovocation testing). This study using the ISAAC (International Study of Asthma and Allergies in Childhood) written questionnaire to measure asthma prevalence in 13-14 years old students in Jakarta, Indonesia. Methods:The ISAAC quest…