The purpose of the study was undertaken to present transition of school nurses to analyze some factors related to them. 1. Overage increase rate of school nurses the year of 8 years (1970 - 1978) was 4.61% for the primary school, 2.14% for the middle school, and 15.26% for the high school which was the highest. The total number of school nurses was 1289. 2. The percentage of school working school nurses to the total schools was 14.6％ for the primary school, 7.1% for the middle school, and 15.2% for the high school in 1918. In Seoul was largest of 66.7% while that of kyongsangnamdo showed the lowest of 1.5%. 3, In 1978, the increase of school nurses was 17.9% for the private school which was highest while that of the nation and public school showed the lowest of 12.4%. 4. Studies for the Primary, middle and high school per school nurses in 1979 were 5,981.14,923.7,655 respectively. 5. Considering the age distribution of the total school nurses for the primary, middle and high schools was the most of 54.1% in 20s. Regarding the, career of school nurses, those who had worked for less than 5 years were 46.4% in 1970, while 51.8% in 1978. And the school nurses who had worked for less than 10 years reduced 71.3% from 82.7%. 6, There were close relationship between the number of school nurses and that of school, and a regression formular made as follow: SNi = -24.497+0.675 Si+ 0,196 Ni (School) (Nurses).