First aid is the help given to any individual suffering a sudden disease or injury. A descriptive cross sectional study was carried out to assess the knowledge, attitude and practice (KAP) among384 primary school teachers in 32 schools of Bahri locality in Sudan. The data was collected using self administered questionnaire for a period of two weeks. The data was tabulated and analyzed using SPSS version 23 and the chi square test was done. 44% of school teachers had good knowledge, 33% had fair knowledge and 22% had poor knowledge. 100% had positive attitude toward the first aid training, and 98% strongly agree to establish first aid courses. Regarding the practice part, about 34% of the participants had contact with pediatric emergencies, 30.7% was epistaxis and 15.9 % was fractures which were more common. There was a significant association between the level of knowledge and degree of qualification, as well as previous first aid course attendance. Teachers were knowledgeable about pediatric emergencies which are common in primary schools and can be life threatening.