This research had 2 main objectives 1) to study the sufficiency economy promoting activity of  Sainoi secondary school students Sainoi District Nontaburi Province, 2) to  compare of the sufficiency economy promoting activity of Sainoi secondary school, they were classified according to sex, age, education level.

This is a quantitative research using the questionnaire. The samples used in this study were the 316 students at Sainoi secondary school, who had  high school students at grade 1-6.  Analysis of data use the software package. The statistical procedures used for analyzing data were percentage, mean, standard deviation ; t-test and one way analysis of variance (One-Way ANOVA).

The results of research were found that :

The Provide students with sufficiency economy promoting activity  of Sainoi secondary school students Sainoi District all 5, They  have commented that the rationality should be able to been most encouraging, next the restraint, the immunity, the measurement and assessment, and the planning activities.  The school aims to teach students the reasons for living and the philosophy of sufficiency economy.

The planning activities : Students are encouraged to plan activities sufficiency by teacher,  next students assigned to teachers with sufficient economic activity and student knowledge about sufficiency inside and outside the facility.

The restraint :  Students  have  knowledge and  understanding about restraint, They can applied in everyday life as well.

The rationality :  Students have knowledge and understanding of the decision on  reasonable sufficiency economy, Which is based on the accuracy.

The immunity :  Students are immune to self-sufficiency and to changes within the school.

The measurement and assessment :  Student have a better understanding about assessment and evaluation, They use of assessment results to improve themselves.

The approach to promote of the sufficiency economy activity :

Teachers should plan activities annually or a semester.  The event is planned with the clear aim and appropriate for students in each class and should contain sufficient economic activities in the lesson plan to teach the curriculum. Activities held to teach students  to  recognize the cost or life without hurting others, and they should be the school for students to attend the event. The students have the knowledge and ability to promote economic activities to be immune to the school.