The paper presented the current situation of forecasting the number of children and students attending school in Ca Mau Province, Vietnam. A random survey of 89 primary school teachers in Ca Mau province with a questionnaire about the situation of the work of forecasting the number of children and students attending to school in Ca Mau Province showed that: The mean score of forecasting the number of children and students attending to school is 3.93 - corresponding to often level; the average point of the quality of the task of forecasting the number of children and students attending to school is 3.96 - at a fair level; the ensuring the development of education based on the results of forecasting the number of children and students attending to school with the mean of 2.92 - at a sometimes level. There is no correlation between forecasting the number of children and students attending school and ensuring conditions for education development based on the results of forecasting the number of children and students attending school.